ヤスハラケミカル List of Products and Services

Our company offers safe and environmentally friendly hot melt adhesives. We can produce a wide range of hot melt adhesives, from low viscosity to ultra-high viscosity, and from polyolefin-based to special elastomer-based. We provide products that meet the diverse needs of our customers and propose innovative solutions related to adhesion. 【Series】 ■ Coating hot melt adhesives [Hirodine 4000, 7000 series] ■ Packaging hot melt adhesives [Hirodine 2000 series] ■ Rubber-based hot melt adhesives [Hirodine 1000, 5000 series] ■ Hot melt adhesives for air filters [Hirodine 2000, 8000 series] ■ Hot melt adhesives for cushioning materials [Hirodine 1000, 8000 series], etc. *For more details, please download the PDF or feel free to contact us.

The "Hirodyne 4000/7000 Series" is a hot melt adhesive used primarily as a bonding layer for easy-peel films in food packaging. It can be manufactured using methods such as extrusion lamination, inflation, and roll coating, and is capable of adhering to substrates including PE, PP, PET, PS, as well as difficult-to-bond materials like metal and glass. Additionally, beyond easy-peel applications, it can be extruded onto substrates such as paper and non-woven fabrics, making it suitable for a wide range of industrial and commercial applications. 【Manufacturing Methods (Partial)】 ■ Extrusion Lamination ■ Inflation Method ■ Roll Coater Method *For more details, please download the PDF or feel free to contact us.

As a chemical manufacturer with a proven track record of handling a wide variety of raw materials, our company offers proposals that combine manufacturing technology specialized in resin compounds with polymer modification. We possess manufacturing technology capable of accommodating the mixing and pelletizing of High-Flow materials, allowing us to flexibly respond to a wide range of needs. Leveraging our long-standing formulation technology, we can accurately approach potential challenges, which is one of our strengths. 【Features】 ■ Manufacturing technology that meets various demands ■ Ability to address customer potential challenges utilizing years of formulation expertise ■ Capability for mixing and pelletizing High-Flow materials ■ Flexible customer support available *For more details, please refer to the materials. Feel free to contact us as well.

We would like to introduce the packaging hot melt adhesive "Hirodine 2000 Series" handled by Yasuhara Chemical Co., Ltd. Hirodine 2705 has improved thermal stability, achieving maintenance-free performance during long-term use. Additionally, improvements in stringing properties contribute to a better working environment. 【Features of Hirodine 2705】 ■ Packaging grade ■ Spherical shape ■ Improved thermal stability ■ Achieves maintenance-free performance during long-term use ■ Contributes to a better working environment through improved stringing properties *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Hirodine 1000/5000 Series" that we handle. These are hot melt adhesives based on synthetic rubber, available in a range from weak to strong adhesion. You can select the appropriate adhesive according to your purpose and usage conditions, such as for plastic cardboard, building materials, and clear case applications. 【Features】 ■ Lineup from weak to strong adhesion ■ Ability to select the appropriate adhesive based on purpose and usage conditions *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Hirodine 2000/8000 Series" that we handle. It is a hot melt adhesive for air filters, primarily composed of olefin polymer. It is suitable for fixing retainers (spacers) and filters. 【Features】 ■ Main component: Olefin polymer ■ Suitable for fixing retainers (spacers) and filters ■ Spherical shape *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Hirodine 1000/8000 Series" that we handle. It is a user-friendly hot melt adhesive for cushioning materials, contributing to an improved work environment. It is suitable for bonding expanded polystyrene and cardboard, expanded polyethylene, and plastic cardboard for cushioning materials. 【Features】 ■ User-friendly hot melt adhesive for cushioning materials ■ Contributes to an improved work environment ■ Spherical shape *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Hirodine ST Series" that we handle. This is a hot melt adhesive for glue guns (hand guns) molded into stick form. Additionally, we offer a range from general use to heat-resistant types, making it suitable for a wide variety of applications from general use to commercial purposes. 【Features】 ■ Molded into stick form ■ Lineup from general use to heat-resistant types *For more details, please download the PDF or feel free to contact us.

We have experience in processing "protective films" for electronic materials and building materials. The processing method and process use a twin-screw extruder, and the product size is 4mm ± 2mm. The material is a compound primarily made of synthetic rubber and terpene resin. Additionally, we also have experience with "packaging films" for food use. Our kneading and pelletizing technology excels in high compatibility kneading with a polymer ratio of less than 30%, allowing us to accommodate raw material diversity and the number of formulations. 【Case Overview (Partial)】 <Protective Film> ■Industry: Electronic Materials/Building Materials ■Processing Method and Process: Twin-Screw Extruder ■Product Size: 4mm ± 2mm pellets ■Lot Size: 18t or less per lot ■Material: Compound primarily made of synthetic rubber and terpene resin *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Compound OEM" services. Applications include lightweighting in automobiles, automotive recycling, enhancing the functionality of electrical and electronic components, improving the quality of all-plastic batteries, enhancing the quality of medical devices, food packaging recycling, and civil engineering. Our company features minimal restrictions on raw materials and compound products, and our mixing equipment can be reconfigured, allowing for a diversity of formulation designs. 【Mixing equipment that accommodates difficult mixing, difficult pelletizing, and formulation diversity】 - Diversity of raw material forms (liquid, viscous, solid) - Diversity of raw material shapes (powder, block, crumb, granular, flake) - Support for multiple component formulations (13 or more) - Diversity of product shapes (pellets, strands, pillows, pails, drums) - Mixing and pelletizing technology for high flow formulations - Recombination capability of mixing equipment *For more details, please download the PDF or feel free to contact us.

The "Hirodyne 7000" is a hot melt adhesive for automotive assembly that enables cost reduction through labor-saving and high-speed processes. Features include heat seal method, reduced adhesive curing time due to 100% solid content with no solvents, and maintenance of breathability through powder and non-woven fabric forms. Additionally, it is suitable for continuous operation using roll-to-roll processes, has high adaptability for width expansion and line speed increase, and provides an easy-to-establish adhesive method for labor-saving and mass production. [Features] ■ Heat seal method ■ Reduced adhesive curing time due to 100% solid content with no solvents ■ Maintenance of breathability through powder and non-woven fabric forms *For more details, please download the PDF or feel free to contact us.

The "Hirodyne 7000" is a hot melt adhesive for textiles using a heat seal method. It is suitable for continuous operation using roll-to-roll processes, with high adaptability for width expansion and increased line speed, making it an easy adhesive method for labor-saving and mass production. Additionally, it features a reduction in adhesive curing time due to 100% solid content without solvents, maintenance of breathability through powdery and non-woven forms, and eliminates the need for sewing operations. 【Features】 ■ Heat seal method ■ Reduced adhesive curing time with 100% solid content without solvents ■ Maintenance of breathability through powdery and non-woven forms ■ No sewing operations required ■ Bonding effect ■ No skin sensitization *For more details, please download the PDF or feel free to contact us.

The "Hirodine 7000" is a hot melt adhesive that can be used for carpet backing. It offers cost reduction proposals through labor-saving and high-speed processes, featuring heat seal methods, shortened adhesive curing time with 100% solid content without solvents, and improved fiber penetration due to its low melting point. Additionally, it is suitable for continuous operations using roll-to-roll processes, with high adaptability for width expansion and increased line speed, making it easy to establish labor-saving and mass production methods. 【Features】 ■ Heat seal method ■ Shortened adhesive curing time with 100% solid content without solvents ■ Improved fiber penetration due to low melting point *For more details, please download the PDF or feel free to contact us.

The "Hirodine 7000" is a hot melt adhesive that can be used for curtain assembly. It can be manufactured using methods such as extrusion lamination, inflation, and roll coating, and can bond to substrates including PE, PP, PET, PS, as well as difficult-to-bond materials like metal and glass. Additionally, aside from easy-peel applications, it is suitable for a wide range of industrial and commercial uses by extruding onto substrates such as paper and non-woven fabrics. 【Features】 ■ Heat seal method ■ Reduced adhesive curing time with 100% solid content and no solvents ■ Maintains breathability with powder or non-woven fabric forms ■ No sewing required ■ Bonding effect *For more details, please download the PDF or feel free to contact us.

"HIRODAIN 7000" is a hot melt adhesive material that can be used for IC tags. In addition to adhering to substrates such as PE, PP, PET, and PS, it can also bond to difficult materials like metals and glass, making it suitable for a wide range of industrial and manufacturing applications. Furthermore, it offers cost reduction proposals through labor-saving and high-speed processes, featuring characteristics such as reduced adhesive curing time with heat seal methods and 100% solid content without solvents. [Features] ■ Heat seal method ■ Reduced adhesive curing time with 100% solid content without solvents *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Proposal and Compounding Design of Thermoplastic Materials." Applications include automotive-related products, electrical and electronic components, building materials and construction, and medical devices. Our company can achieve +ONE quality by combining multiple existing materials, which allows for easier small-lot handling before mass production due to fewer restrictions on lot sizes. 【Features】 ■ Quality improvement achieved through the proposal of existing materials + ONE formulation ■ Support for small-lot compounding *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Compound for Painting Automotive Parts" that we handle. By blending our product, which is a resin part, we achieve primer-less painting processes, leading to a reduction in steps. Additionally, it is adaptable to a wide range of plastic molded products, including olefin resins and nylon resins. 【Features】 ■ Improved adhesion between resin parts and paint ■ Achieves primer-less painting processes by blending the relevant resin parts ■ Adaptable to a wide range of plastic molded products, including olefin resins and nylon resins ■ Leads to process reduction and solvent-free primers *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Compounds for Metal Insert Molding." By blending our product with resin materials, it is possible to improve the adhesion between the resin and metal when inserting metal. This eliminates the need for surface treatment of the metal. Additionally, it can be applied to a wide range of plastic molded products, including olefin resins, PBT, and nylon resins. 【Features】 ■ Improved adhesion strength between molded resin and metal ■ Enhanced adhesion between resin and metal when inserting metal ■ No need for surface treatment of the metal ■ Applicable to a wide range of plastic molded products *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Low-Bleed Antistatic Film Compounds" that we handle. This product is characterized by its ability to enhance the antistatic performance of film products. By blending this product, it is possible to provide films with improved antistatic performance and minimal surface bleed. Additionally, it can impart antistatic properties to film products that are sensitive to contamination from low molecular weight bleed components (such as optical protective films and semiconductor process films). 【Features】 ■ Enhances the antistatic performance of film products ■ Provides films with improved antistatic performance and minimal surface bleed ■ Can impart antistatic properties to film products that are sensitive to contamination from low molecular weight bleed components *For more details, please download the PDF or feel free to contact us.