コバヤシ Product Lineup

"Liquid plastic" is a highly flexible material that can be utilized in a wide range of fields, from everyday products to industrial applications, due to its advantages in accommodating various molding methods such as injection molding and dip molding. Our company adjusts the properties of the material to meet specific requirements and proposes liquid plastic materials suitable for various applications. We also support prototyping from small lots and can flexibly respond to projects that require special specifications. 【Features】 ■ Development of new materials is possible ■ Customization of properties according to requests and applications is possible ■ Materials that are easy to mold and process, while meeting necessary performance, can be provided in small quantities ■ Prototyping is possible from a small scale ★ Currently, we are offering a descriptive document titled "What is Liquid Plastic?" which introduces the characteristics, application examples, and benefits of liquid plastic. You can view the detailed content immediately via "PDF Download." *Please feel free to contact us with any inquiries regarding liquid plastic.

Based on the amendment to Article 18, Paragraph 3 of the Food Sanitation Act and Notification No. 370, the transitional period for the "Positive List System for food utensils and containers made of synthetic resin (excluding rubber)" will end on May 31, 2025, and will be fully implemented starting June 1. This guide provides an overview of the system and the obligations for information transmission, clearly explaining the changes brought about by the difficult-to-understand legal amendments, which are abundant online. It also outlines our company's initiatives in response to the legal changes. [Contents Included] ■ About the Positive List (PL) System ■ About the Obligation to Transmit Information ■ Impact on Our Materials ■ Our Initiatives *For detailed information, please refer to the materials available via the download button below. Feel free to contact us with any inquiries.

Our five business divisions have joined forces to develop an environmentally friendly shoe cleaner. The packaging containers and lids, the cleaner's sleeve, and the cleaner itself are all packed with eco-friendly innovations. There are even secrets in the packaging printing...? We approached this from various angles with the focus on being "environmentally friendly." For more details, please refer to the catalog.

The thermal properties of plastics are greatly influenced by their molecular weight and composition. Soft polyvinyl chloride, in particular, is significantly affected by its composition, and it is necessary to select appropriate materials to meet the required thermal properties. Even though we refer to thermal properties in general, the necessary performance varies depending on the temperature and time involved, which means the required materials differ. Our soft polyvinyl chloride "Kobazole" is offered in a one-component state that includes the materials necessary for performance manifestation. We also have product numbers with excellent thermal properties available. For more details, please refer to our catalog or feel free to contact us. General thermal properties of soft polyvinyl chloride are also listed in the catalog, and we hope this information will be helpful.

The Biomass Mark is a label that can be attached to products that use 10% or more of biologically derived resources. There are several benefits to obtaining this mark: - It allows companies to promote their commitment to addressing environmental issues. - It clearly indicates that the product is environmentally friendly. - Since the mark can only be used on certified products, it helps differentiate them from other products.

"Kobazore" is a plastic material manufactured and sold by Kobayashi Corporation, and it has the following characteristics: ▻ A stable liquid material at room temperature ▻ Solidifies when heat is applied ▻ Various properties can be imparted by changing the materials mixed in ▻ It is a one-component product, so there is no need for measurement

Soft vinyl is produced using slash molding. Our company manufactures and sells materials for slash molding. We also handle equipment, molds, and heat transfer media for oil baths, among other things. Materials: Kobazole HT series Kobazole ES series (non-phthalate) Molding machines: Oil bath, degassing machine, centrifuge, cooling tank, pouring can Molds: Electroformed molds Others: Heat transfer media for oil baths, pigments, glitter

Seamless products such as color balls are made using rotational molding. Our company designs and develops liquid materials for rotational molding.

- I want the erasure rate to be over 90%. - I want the eraser shavings to be more cohesive. - I want to erase with a light touch. - I want to implement environmental measures. - I want to use it for purposes other than erasing letters (such as shoe cleaner, rust removal, etc.). It is possible to design materials that meet these requirements.

"Color Matching Service" We can match colors to physical samples and standard color samples (PANTONE, Nippon Paint, DIC). Metallic colors with added pearl or aluminum powder are also available.

"Kobazole" is the general term for the plastisol developed by our company. The first generation was a PVC paste developed in 1958, and for over 50 years, it has been used as a molding material, adhesive, and sealing material in a wide variety of fields. Subsequently, we developed vinyl chloride compounds, polyurethane compounds, and epoxy compounds that comply with UL standards and the Electrical Appliance and Material Safety Law, advancing into the field of industrial products. [Features] ■ Colorability: Infinite color patterns ■ Versatile molding patterns: Slush, dipping, molding, etc. ■ Safety: Safety standards based on UL standards, JIS standards, and the Electrical Appliance and Material Safety Law ■ Liquid compound: Easy to handle due to its liquid form ■ Variations: Heat resistance, chemical resistance, weather resistance, flexibility *For more details, please refer to the PDF materials or feel free to contact us.

This document introduces Kobayashi's initiatives that believe in the future and potential of plastics. As a mission of a company involved in plastic products, we have focused on recycling and the use of biomass materials early on and have actively pursued development. In order for plastics to coexist with people and the Earth and continue to grow, we will continue to pursue diverse added value in the future. [Contents] ■ Kobazol Division ■ Container Division ■ Distribution Materials Division ■ Industrial Equipment Division ■ Technical Research Institute / New Development Division ■ Introduction of SDGs initiatives *For more details, please refer to the PDF document or feel free to contact us.

◆ Powder Coating Alternative PVC can be coated using the same process as fluid immersion. Multi-color options available. There is a proven track record of polyester powder alternatives. Please refer to the illustrated details for more information. ◆ Film Coating Easy and plump coating Simple enough for general household use Easy measurement with a 1:1 volume ratio mix ◆ UV Curing Coat UV-curable masking ink (hand-peel type) No technique required, just peel off by hand ◆ Glass Shatter Prevention Coating Material Prevents shattering for aerosol test bottles and reagent bottles Available in two types: solvent-based high transparency elastomer material / PVC plastisol

Highly reliable plastisol utilizes the properties of liquid materials and is used as a molding material for various applications.

<What We Can Do> - Production support starting from 20kg small batches (low to high viscosity products) - Dispersion process using three-roll mills (two sizes available) - Production of high viscosity products using planetary mixers (non-metallic types only up to about 300kg) - Dehydration processing using heating dehydration equipment - Syringe filling of high viscosity products

Our company is capable of creating a wide range of cured material properties by combining resins, hardeners, and various additives. Since our products are liquid materials, we can blend liquid and powdered biomass materials to create new value. We also assist in obtaining biomass certification from third-party organizations.

Our division provides "Kobazore," which utilizes unique compound technology for various applications, primarily for processing manufacturers of industrial parts, toys, miscellaneous goods, electronic materials, and building materials both domestically and internationally. In addition, we are engaged in the development of a wide variety of liquid compounds, including polyvinyl chloride, and can offer a diverse range of products tailored to our customers' needs. Moving forward, we will continue to explore the potential of liquid compounds and actively work on the development of applications for urethane, epoxy, and acrylic materials, as well as new original products. 【Custom Orders】 ■ High functionality ■ Development of proprietary grades ■ Improvement and alternatives for existing materials ■ Cost measures 【Main Products Handled and Manufactured】 ■ Plastisol ■ Acrylic paste ■ Epoxy compounds ■ Urethane compounds ■ Various adhesives *For more details, please refer to the PDF or feel free to contact us.

<What We Can Do> - Production support starting from 20kg (low to high viscosity products) - Dispersion process using three-roll mills (two sizes available) - Production of high viscosity products using planetary mixers (non-metallic types only up to about 300kg) - Dehydration processing using heating dehydration equipment - Syringe filling of high viscosity products

<What We Can Do> - Production support starting from 20kg (low to high viscosity products) - Dispersion process using three-roll mills (two sizes available) - Production of high viscosity products using planetary mixers (non-metallic types only up to about 300kg) - Dehydration treatment using heating dehydration equipment - Syringe filling of high viscosity products

Our company can create a wide range of cured material properties by combining resins, hardeners, and various additives. Since the products are liquid materials, we can blend liquid and powdered biomass materials to create new value. We also assist in obtaining biomass certification from third-party organizations!

Our company is capable of creating a wide range of cured material properties by combining resins, hardeners, and various additives. Since the products are liquid materials, they can be blended with both liquids and powders, allowing for a wide variety of molding applications.

To the toy molding company, we would like to introduce examples of how we quickly developed materials by leveraging our extensive knowledge. Due to the closure of the material manufacturer, a switch to new materials was necessary within four months. Although this was a new request for us, we promptly proposed materials that met the requirements. By adjusting the materials on-site to fit the production equipment, we were able to complete the process from request to delivery within four months. 【Case Overview】 ■ Background - A switch to new materials was necessary within four months due to the closure of the material manufacturer. ■ Effects - Completed the process from request to delivery in just under four months. - The materials were tailored to the equipment, allowing for a smooth transition. *For more details, please download the PDF or feel free to contact us.

To food sample manufacturers, we would like to introduce examples of how we have utilized our expertise in addressing various regulatory compliance issues to swiftly develop and propose materials. Due to their high reproducibility, food samples have been a concern regarding accidental ingestion. Our company quickly developed materials that comply with the Food Sanitation Act. While this is not a fundamental solution to the issue of accidental ingestion, we have achieved products that use only relatively safe materials. 【Case Overview】 ■ Background - As one approach to the issue of accidental ingestion, compliance with the Food Sanitation Act was considered, but it had not been realized due to high hurdles. ■ Effects - Differentiation of products through prompt regulatory compliance. - Achievement of products that use only relatively safe materials. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case that alleviated the concerns about contamination that the dip molding company had. Regulations on chemical substances are being strengthened year by year, and when handling multiple products, there is a concern about contamination from regulated substances. Our company proposes contamination-free materials through the establishment of a production system and regular monitoring via analysis! The dip molding company can use our materials with confidence. 【Case Overview】 ■ Background - Concerns about contamination from regulated substances ■ Effects - Provision of contamination-free materials through the establishment of a production system and regular monitoring via analysis - Ability to use materials with peace of mind *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where we developed and proposed a new coating material by applying technology obtained from other resins to a dip molding company. The company achieved adhesion between metal and coating by applying a primer. However, many primers have strong odors, which became a burden for the workers. We proposed a new coating material that combines adhesion to metal and moldability by applying technology obtained from other resins. This eliminated the need for primer treatment, leading to a fundamental improvement in odor issues. 【Case Overview】 ■ Background - Strong odor from the primer, causing a burden on workers ■ Effects - Primer is no longer needed with a material that combines adhesion and moldability - Fundamental resolution of odor issues *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where we developed and proposed a new coating material by applying technology obtained from other resins to a dip molding company. The company was increasing the number of processes and performing primer treatment for the production of coating products adhered to metal. We proposed a new coating material that combines adhesion to metal and moldability by applying technology obtained from other resins. This eliminated the need for primer treatment, leading to improved productivity. 【Case Overview】 ■ Background - It was necessary to increase processes to meet product requirements. ■ Effects - The material with both adhesion and moldability eliminated the need for a primer process. - Productivity increased due to the reduction of the primer process. *For more details, please download the PDF or feel free to contact us.

To interior material manufacturers, we propose an intermediate material that uniformly disperses hard-to-mix components and will introduce examples of how we have resolved issues related to defects and decreased production efficiency. In the company, undispersed materials in the mixture were causing defects such as appearance issues and reduced physical properties. We proposed a paste-like intermediate material that uniformly disperses hard-to-mix components through careful selection of equipment and formulation. This improved defects caused by undispersion and resolved the issue of decreased production efficiency. 【Case Overview】 ■ Background - Defects and decreased production efficiency due to undispersed materials ■ Effects - Resolution of defects caused by undispersed materials - Resolution of decreased production efficiency issues - Prevents material scattering due to its paste-like consistency *For more details, please download the PDF or feel free to contact us.

To our valued daily goods manufacturers, we would like to introduce examples of developing and proposing materials suitable for usage environments, leveraging our extensive expertise. The company felt the need for new material development while working on the development of new products for underwater use. We were approached as a partner for material development and proposed materials suitable for the usage environment in just one month. Utilizing our rich knowledge and development capabilities, we swiftly addressed the material challenges. We also took care of the arrangement of molding materials, leading to successful product commercialization. 【Case Overview】 ■ Background - The need for new material development arose while working on new product development. ■ Effects - Proposed materials suitable for the usage environment in just one month. - Successfully commercialized the product by also taking care of the molding materials. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where we developed and proposed materials that preemptively addressed issues by leveraging our expertise in materials for a dip molding company. The company required a transparent PVC cap material for wire convergence. Based on our previous knowledge, we anticipated the possibility of discoloration due to contact with metal. By preventing issues in advance, we achieved a smooth product development process without unnecessary effort. 【Case Overview】 ■ Background Development of materials suitable for transparent PVC caps was necessary. ■ Effect By preventing issues in advance, we enabled smooth product development for the customer without requiring extra effort. *For more details, please download the PDF or feel free to contact us.

"Kobazole" is a general term for liquid materials manufactured and sold by Kobayashi Co., Ltd. It primarily consists of polyvinyl chloride, and we propose materials that impart the necessary characteristics according to the customer's applications and molding methods. We have prepared a wealth of materials related to Kobazole. For more details, please download the catalog or feel free to contact us. ■ Kobazole User Manual This manual summarizes various aspects of handling Kobazole, from the characteristics of the material to usage and molding methods. It also explains why it hardens when heat is applied and discusses its behavior. ■ Thermal Properties of Flexible Polyvinyl Chloride This document explains the thermal properties of general flexible polyvinyl chloride. It also introduces Kobazole product numbers with excellent thermal properties. ■ What is Liquid Plastic? We answer the question, "What are the advantages of liquid materials?" Our company also handles liquid materials such as epoxy and urethane, so this is a document we encourage those seeking new materials to read.

"Liquid plastic" is a highly flexible material that can be utilized in a wide range of fields, from everyday products to industrial applications, due to its advantages in accommodating various molding methods such as injection molding and dip molding. The composition of liquid plastic consists of a main resin component and necessary additives. The resin components primarily include PVC, polyurethane, and epoxy, with the possibility of incorporating silicone and emulsions as needed. Currently, we are offering technical information regarding liquid plastic. [Contents] ■ How to use liquid plastic ■ Examples of liquid plastic applications ■ Three benefits of utilization ■ Appropriate liquid plastic diagnostic sheet *For more details, please download the PDF or feel free to contact us.

Our company's soft PVC "Kobazoru" is a one-component material that includes the necessary resources for performance manifestation. It has the property of solidifying when heat is applied and is widely used in industrial products as well as everyday items. Among these, we would like to introduce a grade that excels in heat resistance and flame retardancy. We are accepting requests for samples, so please feel free to contact us as soon as possible. 【Features】 ■ Liquid soft polyvinyl chloride material ■ Heat resistance confirmed by upper limit temperature tests for organic insulators ■ Flame retardancy compliant with UL standards ■ High transparency ■ Can be color-matched and tinted to your desired color *For detailed property values, please refer to the catalog or feel free to contact us.

Are you struggling with "unstable colors" or "not achieving the ideal color"? Kobayashi's liquid materials have a proven track record across a wide range of industries, from industrial products to everyday items. In particular, our reliable color matching technology, developed through the creation of toys and food samples that require delicate color coordination, faithfully reproduces the colors you envision. We will propose colored materials based on actual samples or standard color samples (PANTONE, Nippon Paint, DIC). Please feel free to contact us first.

In the wire industry, the performance of insulating materials is crucial for balancing safety and durability. Particularly for wires used in high-temperature environments or areas with fire risks, materials with excellent heat resistance and flame retardancy are essential. Inadequate insulating materials can lead to short circuits and fires, potentially resulting in serious accidents. Our soft PVC material, which excels in heat resistance and flame retardancy, addresses these challenges. 【Application Scenarios】 - Insulation coating for wires - Protection for cables - Wires in high-temperature environments 【Benefits of Implementation】 - Improved safety through high insulation performance - Enhanced durability due to heat resistance - Reduced fire risk due to flame retardancy

In the electronic components industry, materials with excellent heat resistance and flame retardancy are required to ensure product reliability and safety. It is important to maintain the performance of components and ensure safety even in high-temperature environments or situations with a risk of fire. Our soft PVC "Kobazole" offers grades with superior heat resistance and flame retardancy, contributing to the protection of electronic components. We welcome requests for samples, so please feel free to contact us. 【Usage Scenarios】 - Coating for electronic devices - Protection of electronic components - Use in high-temperature environments - Applications requiring flame retardancy 【Benefits of Implementation】 - Improved heat resistance of components - Reduced fire risk - Enhanced product reliability - Ensured safety

In the home appliance industry, high heat resistance and flame retardancy are required for casing materials to ensure product safety and durability. These characteristics are particularly important in areas that may reach high temperatures or where there is a risk of fire. Our soft PVC "Kobazoru" offers grades with excellent heat resistance and flame retardancy, enhancing the safety of home appliances. 【Usage Scenarios】 - Casing of home appliances - Areas that may reach high temperatures - Parts that need to consider fire risk 【Benefits of Implementation】 - Improved product safety - Enhanced product durability - Compliance with regulations

In the railway industry, safety and durability are of utmost importance in interior design. In particular, flame retardancy to prevent the spread of fire during an incident and heat resistance to prevent deformation in high-temperature environments are essential. The selection of interior materials greatly impacts passenger safety and the long-term use of the vehicles. Our soft PVC materials, which excel in heat resistance and flame retardancy, address these challenges and create a safe and comfortable interior space. 【Application Scenarios】 - Interior materials for railway vehicles (wall materials, ceiling materials, flooring materials, etc.) - Seat covers - Cable insulation 【Benefits of Implementation】 - High flame retardancy reduces the risk of fire - Excellent heat resistance maintains shape even in high-temperature environments - Capable of accommodating diverse designs - High durability withstands long-term use

In the chemical plant industry, resistance to high temperatures and chemicals is required. Protecting equipment is essential for safe operations and cost reduction. Materials with excellent heat resistance and flame retardancy address these challenges and support the long-term operation of plants. Our flexible PVC "Kobazole" excels in heat resistance and flame retardancy, contributing to the protection of plant equipment. 【Application Scenarios】 - Protection of piping - Coating of tanks - Cable sheathing - Other protective applications in high-temperature environments 【Benefits of Implementation】 - Extended equipment lifespan - Improved safety - Reduced maintenance costs

In the agricultural sector, selecting the right covering material is crucial for optimizing the growth environment of crops. Particularly in environments exposed to temperature changes, ultraviolet rays, and rain and wind, the durability and weather resistance of the covering material are essential. Inappropriate covering materials can lead to poor crop growth and reduced yields. Our soft PVC material excels in heat resistance and flame retardancy, protecting crops and supporting stable growth as an agricultural covering material. 【Usage Scenarios】 - Covering materials for greenhouse cultivation - Covering materials for tunnel cultivation - Seedling sheets 【Benefits of Implementation】 - Stabilization of the crop growth environment - Reduction in replacement frequency due to improved durability - Suppression of deterioration due to enhanced weather resistance

In the automotive interior industry, safety and durability are of utmost importance. Interior materials are exposed to harsh environments such as high temperatures, friction, and ultraviolet rays, requiring high heat resistance, flame retardancy, and durability. Improper material selection can lead to deterioration or deformation of interior materials, and in the worst case, may cause fires. Our heat-resistant and flame-retardant soft PVC material "Kobazoru" addresses these challenges. 【Usage Scenarios】 - Dashboard - Door trim - Seats - Console box 【Benefits of Implementation】 - High heat resistance makes it less prone to deformation even in high-temperature environments - Flame retardancy reduces the risk of fire in case of an emergency - Flexibility allows for a high degree of design freedom - Can be color-matched and dyed to your desired color

In the sports equipment industry, the safety and durability of products are crucial. Particularly for products designed for use in slippery environments, anti-slip effectiveness is essential. Additionally, measures to prevent damage from impacts are also required. Our coating materials contribute to providing anti-slip properties and preventing shattering, thereby enhancing product safety. 【Application Scenes】 - Ski and snowboard bases - Grips and handles - Protective glasses and goggles 【Effects of Implementation】 - Improved safety through anti-slip effectiveness - Enhanced durability of products with shatterproof coating - Increased added value of products

In the textile industry, water-repellent processing is required to enhance the durability and functionality of products. It is particularly important to protect products from rain and water droplets while maintaining a comfortable user experience. Inadequate water-repellent processing can lead to a decline in product performance and customer satisfaction. Our coating materials offer a variety of products to meet different needs, including powder coating alternatives that can coat PVC in the same process as flow immersion, and glass shatterproof coatings that help prevent splatter in aerosol test bottles and reagent bottles. 【Usage Scenarios】 - Apparel - Outdoor gear - Water-repellent processing for textile products 【Benefits of Implementation】 - Improved water repellency of products - Enhanced durability - Increased customer satisfaction

In the construction industry, waterproof performance is crucial for enhancing the durability of buildings. Rain leaks and water intrusion can deteriorate the structure of a building and lead to increased repair costs. Additionally, accidents caused by broken glass pose a significant safety risk. Our coating materials provide waterproof performance through PVC coating as an alternative to powder coating. Furthermore, our glass shatterproof coating materials enhance safety in the event of glass breakage. 【Application Scenarios】 - Various parts of buildings such as roofs, exterior walls, and window glass - Improvement of waterproof performance and glass shatter prevention 【Benefits of Implementation】 - Increased durability of buildings and reduced repair costs - Enhanced safety in the event of glass breakage

In the furniture industry, it is essential to maintain the aesthetic appeal of products for a long time and protect them from scratches and wear. This is particularly important for furniture that is used daily, where surface durability is crucial. Furniture that is prone to scratches can lead to a quicker deterioration in appearance and may shorten the product's lifespan. Our coating materials protect the surfaces of furniture and help maintain their beauty. 【Usage Scenarios】 - Surface protection for furniture such as tables, chairs, and shelves - Protection for easily scratched materials like wood, metal, and plastic - Protection of furniture in stores, offices, and homes 【Benefits of Implementation】 - Prevention of scratches and maintenance of aesthetic appeal - Extension of product lifespan - Reduction of maintenance costs

In the electronics industry, as products become smaller and more functional, ensuring insulation performance has become an important challenge. In particular, the protection of electronic components and the insulation of circuit boards are crucial factors that influence product reliability. Traditional insulation methods have faced issues related to cost, workability, or cases where sufficient performance could not be achieved. Our coating materials address these challenges and contribute to the enhancement of electronic device performance. 【Application Scenarios】 - Insulation of electronic components - Insulation of circuit boards - Protection of enclosures 【Benefits of Implementation】 - Improved insulation performance - Enhanced product reliability - Cost reduction