リグナイト List of Products and Services

The "Pure Resole (PUR) Series" is a product that begins curing at temperatures lower than approximately 130°C, where the curing reaction between novolac and hexamine occurs, and it exhibits a gentle reaction characteristic. It has achieved the powdering of solid resole-type phenolic resin that performs thermal self-curing without the need for curing agents such as hexamine. This product is not subject to the Poisonous and Deleterious Substances Control Law. It has high bending strength as a molding adhesive. 【Features】 ■ Thermal self-curing without the need for curing agents such as hexamine ■ High bending strength as a molding adhesive ■ Lower moisture absorption compared to novolac + hexamine systems, with blocking resistance ■ High dispersibility with fillers is expected *For more details, please download the PDF or feel free to contact us.

• Other polymer materials

Phenolic resin is the first synthetic resin (plastic) to be produced industrially, and it excels in heat resistance, chemical resistance, non-fusibility, electrical insulation, and cost-effectiveness compared to other synthetic resins. This page introduces examples of the use of phenolic resin as a molding material. - Molding Products - - Features and Advantages - Switch Box High insulation and low thermal deformation Outlet and Plug Housing Flame retardant and tracking resistance Breaker Case Safe to use even under high voltage Transformer Bobbin Electrical insulation and dimensional stability Relay and Solenoid Cover High-precision molding possible Distributor Cap Strong against high voltage and high insulation Brake Lining Base Material High wear resistance and heat resistance Clutch Facing Strong against pressure and friction heat Fuse Box Housing Heat resistance, insulation, and shape stability Handles of Pots and Pans Difficult for heat to transfer and easy to hold Bottom Material of Electric Pot Insulation and heat resistance are important Exterior Parts of Rice Cooker Balances appearance retention and functionality *For more details, please download the PDF or contact us.

• plastic

Powdered resol resin (pure resol) is a powdered form of resol-type phenolic resin with an extremely low amount of monomers. In addition to suppressing odor generation, it offers various benefits such as compliance with regulations (not classified as a toxic substance), improved workability and mixability, and is available in different grades according to applications and requirements. This time, we will introduce a case where powdered resol resin was utilized in automotive brake pads (friction materials). 【Case Study】 Target: Brake pads (friction materials) Role: Used as a binder for brake pads Reason: Exhibits stable friction characteristics even at high temperatures; resistant to seizing and wear Effect: Stabilization of braking performance, reduction of noise, extension of pad lifespan *For more details, please download the PDF or contact us.

• Other polymer materials

At Lignite Corporation, we have successfully powdered resol-type phenolic resin, which possesses thermal self-curing properties, without adding hexamine (a curing agent), a major cause of odor generation. The content of toxic and hazardous substances such as phenol and formaldehyde is below regulatory limits and is not applicable. It can be compounded with various fillers. Please feel free to contact us if you have any requests. 【Features】 ■ Powdering of resol resin ■ Compared to novolac resin, ammonia generation is reduced to about 1/20 ■ High moisture absorption suppression, anti-agglomeration, and anti-blocking properties ■ Resin properties: Gel time (around 50 seconds), softening point (over 105°C), flow (around 20mm) ■ Bending strength is equivalent *For more details, please refer to the PDF materials or feel free to contact us.

• plastic

Phenolic resin is the first synthetic resin (plastic) that began to be produced industrially. The characteristics of phenolic resin include heat resistance, chemical resistance, non-melting properties, electrical insulation, and cost-effectiveness, making it superior to other synthetic resins. At Lignite Co., Ltd., we handle a type of phenolic resin (resole type) processed into powder form, known as 'Powder Resole Resin,' which is a thermosetting resin. We offer standard types (non-toxic and non-hazardous), low-monomer types, and ammonia-free types. The main applications of Powder Resole Resin include its use as a binder and molding material in industrial applications, leveraging its high adhesion, heat resistance, and insulation properties. 【Features】 ■ Due to its thermosetting nature, it maintains stability in shape and performance even in high-temperature environments. ■ Capable of withstanding harsh conditions, such as in friction materials and electrical insulation materials. ■ High adhesion and chemical resistance provide excellent compatibility with inorganic and organic materials. ■ Higher storage stability compared to liquid forms (long-term storage possible). ■ Can be freely customized by mixing with fillers or other powders. *For more details, please download the PDF or contact us.

• plastic

We have successfully developed a powdered resol-type phenolic resin with thermal self-curing properties that does not contain hexamine (a curing agent), which is a major cause of odor generation. The content of toxic and hazardous substances such as phenol and formaldehyde is below regulatory limits and therefore not applicable. It can be compounded with various fillers. Please feel free to contact us if you have any requests. 【Features】 ■ Powdered resol resin ■ Compared to novolac resin, ammonia generation is reduced to about 1/20 ■ High moisture absorption suppression, anti-agglomeration, and anti-blocking properties ■ Resin properties: Gel time (around 50 seconds), softening point (over 105°C), flow (around 20mm) ■ Bending strength is equivalent *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

Lignin, extracted from wood and other materials, is expected to have high strength and high heat resistance due to its structure containing benzene rings. Phenolic resins, which use petroleum-derived phenol that also contains benzene rings, have similar properties and have been widely used in casting and molding fields as heat-resistant materials for a long time. By modifying a portion of phenolic resin with modified lignin, it becomes possible to maintain the properties of phenolic resin while imparting new characteristics, thereby achieving carbon neutrality through sustainable natural resources. 【Features】 ■ High heat resistance ■ Versatile moldability ■ Flexibility is imparted ■ Improved electrical insulation ■ Enhanced water resistance *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

The "BCS Board" is a porous material molded from our original spherical phenolic resin "LPS." Due to its porous nature, it has good air permeability, which varies depending on the size of the spherical phenolic resin used. Additionally, we also offer a porous carbon material that has been fired and carbonized, so please feel free to contact us if you are interested. 【Features】 ■ Porous, allowing for air permeability ■ The air permeability of the porous material changes by varying the particle size of the spherical phenolic resin used ■ A porous carbon material that has been fired and carbonized is also available ■ The porous carbon material is resistant to acidic and alkaline chemicals *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• plastic

Our company is focusing on initiatives for carbon neutrality. We are actively engaged in research and development of materials for energy storage systems aimed at green electricity, technologies for large-scale hydrogen supply and utilization towards the realization of a hydrogen society, and CO2 recycling using activated carbon. 【Details】 ■ GPS for LIB: Development of materials for batteries aimed at green electricity ■ GPS for FC: Technologies for large-scale hydrogen supply and utilization towards the realization of a hydrogen society ■ Activated carbon from LPS: CO2 recycling using activated carbon *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• gear

"Rignight Gear" is a heat-resistant resin gear that achieves high durability and high transmission capability while having a low specific gravity of 1/5 compared to iron. By using it as a substitute for other resin gears, it enables high transmission capability in various gear trains such as machine tools. In addition to being oil-free, its excellent vibration damping characteristics contribute to low noise and low vibration. It has a wide range of sizes from 40 to 2000 mm in outer diameter and can accommodate orders from a single piece. 【Features】 ■ Achieves long life and high transmission capability due to high strength ■ Excellent dimensional accuracy due to low water and oil absorption rates and high heat resistance ■ Usable in water and oil baths ■ Three types with different characteristics are available *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• gear

At Lignite, we manufacture large, thick, and massive resin molded products using various presses, including a 1500-ton press and a 500-ton press. The 1500-ton press is used to produce large resin molded products (such as gears and rollers) for various industrial machines, including twisting machines and textile machinery. We are also capable of producing non-asbestos molded bodies and arch-shaped bow guide plates. 【Lignite's Molded Products】 ■ Large Molded Products: Large and thick molded products that push the boundaries of molding technology ■ Material Development Products: Molded products developed from materials that only a resin manufacturer can provide ■ CFRP Molded Products: Production of molded products using carbon fiber *For more details, please refer to the PDF materials or feel free to contact us.

• gear
• roller

The oldest resin, "phenolic resin," has been sphericalized! Particle size control is possible in the range of 5μm to 500μm! Being spherical, it has good fluidity, and there are uncured types with reactivity, thermosetting types that do not melt, and semi-cured types in between. 【Features】 ○ Spherical shape with good fluidity, allowing for high filling. ○ High fixed carbon content, enabling the production of spherical carbides through firing and heat treatment. ○ High purity with no ash content. ○ The molded products possess heat resistance, mechanical strength, chemical resistance, and electrical insulation comparable to conventional phenolic resins. For more details, please contact us or download the catalog.

• Other polymer materials
• plastic

The oldest resin, "phenolic resin," has been sphericalized! Particle size control is possible in the range of 5μm to 750μm! Being spherical, it has good fluidity, and there are uncured types that are reactive, thermosetting types that do not melt, and semi-cured types that fall in between. 【Features】 ○ Spherical shape with good fluidity, allowing for high filling. ○ High fixed carbon content, enabling the production of spherical carbides through firing and heat treatment. ○ High purity with no ash content. ○ The molded products possess heat resistance, mechanical strength, chemical resistance, and electrical insulation comparable to conventional phenolic resins. For more details, please contact us or download the catalog.

• Other polymer materials
• plastic

The oldest resin, "phenolic resin," has been sphericalized! Particle size control is possible in the range of 5μm to 500μm! Being spherical, it has good fluidity, and there are uncured types with reactivity, thermosetting types that do not melt, and intermediate semi-cured types. 【Features】 ○ Spherical shape with good fluidity, allowing for high filling. ○ High fixed carbon content, enabling the production of spherical carbides through firing and heat treatment. ○ High purity with no ash content. ○ The molded products possess heat resistance, mechanical strength, chemical resistance, and electrical insulation comparable to conventional phenolic resins. For more details, please contact us or download the catalog.

• Other polymer materials
• plastic

When utilizing metal gears and resin gears, have you encountered any of the following issues? "Resin gears have a short lifespan. I want stronger resin gears." "The gears are heavy. I am considering lightweighting the gear train." This document provides technical information on how to solve such common concerns with Rignite Gears, along with points to consider during selection! 【Features of Rignite Gears】 ■ Achieves long lifespan and high transmission capability due to high strength ■ Enables lightweighting as it has a density that is 1/5 that of metal ■ Allows for low noise due to good vibration damping properties ■ Capable of small lot production starting from just one piece 【Product Lineup】 ■ N Type Characterized by low water and oil absorption rates and high thermal deformation temperature, resulting in good dimensional stability. ■ BC Type Features the highest thermal deformation temperature and high impact resistance. It also has a friction coefficient comparable to MC nylon. ■ Carbon Type Characterized by the highest tooth surface strength and exceptional wear resistance, leading to a long lifespan. *For the technical documentation on "Rignite Gears," please refer to the PDF data available for download.

• gear

The "SBM Process" is a new molding method that improves the problems caused by traditional molding methods, such as heat and odors, on the environment. It also excels in collapsibility and reusability, making it possible to enhance productivity. 【Features】*Compared to the shell mold method ◆ Improved mold temperature from 250℃ to 120℃ ◆ No irritating odors such as ammonia ◆ The collapsibility of the mold is extremely good, and it excels in reusability 【For more details, please download the catalog or feel free to contact us】 　　　　　↓　↓　↓　　　　　　　　　　　　↓　↓　↓

• others

The "SBM Process" is a new molding method that improves the problems caused by traditional molding methods, such as heat and odors, on the environment. It also excels in collapsibility and reusability, making it possible to enhance productivity. 【Features】*Compared to the shell mold method ◆ Improved mold temperature from 250℃ to 120℃ ◆ No irritating odors such as ammonia ◆ The collapsibility of the mold is extremely good, and it excels in reusability 【For more details, please download the catalog or feel free to contact us】 　　　　　↓　↓　↓　　　　　　　　　　　　↓　↓　↓

• others

Rignite Co., Ltd., which has inherited approximately 90 years of history and technological prowess since its establishment, provides a wide range of industrial resin products primarily based on phenolic resins and specialty resins, as well as various molding processes. We offer numerous products that leverage characteristics such as high strength, ultra-heat resistance, abrasion resistance, chemical resistance, and electromagnetic wave shielding, tailored to various industries. Additionally, we are actively engaged in the development of new materials and the realization of high value-added products through collaborative research with users, government ministries, and universities. 【Product List】 ○ Resin for Casting ○ Resin Coated Sand (RCS) ○ Resin for Refractories For more details, please contact us or download the catalog.

• Other polymer materials
• gear
• plastic

"Rignite Gear" is a resin gear (transmission gear) that achieves one-fifth the weight of metal and low specific gravity. It contributes to the lightweighting of all types of machinery, including machine tools and industrial equipment. Additionally, it does not require lubrication oil and helps reduce noise, thereby minimizing environmental impact. 【Features】 ■ Achieves long lifespan and high transmission capability due to high strength ■ Enables lightweighting due to one-fifth the specific gravity compared to metal ■ Capable of low noise levels due to good vibration damping properties ■ Small lot production is possible starting from just one unit *Please view the PDF data of the "Rignite Gear" catalog available for download.

• gear

The BC-2000 lignite gear, manufactured by us, is a grade of lignite gear that excels in mechanical strength and heat resistance, particularly in terms of quietness, wear resistance, and impact resistance. Of course, it can be used without lubrication! ○ Excellent mechanical strength It boasts mechanical strength that surpasses that of conventional resin gears. ○ Superior quietness It has high vibration damping properties and excels in quietness. ○ Excellent dimensional stability With a low linear expansion coefficient and low water absorption rate, it can replace metal gears in their original shape. ○ Suitable for various environments Due to its low water and oil absorption rates and high heat resistance, it can be used in various locations, including underwater and in oil baths. ○ Various shapes are possible It can be used in various shapes such as spur gears, helical gears, and bevel gears. *For more details, please contact us or download the catalog.*

• gear

The oldest resin, "phenolic resin," is now available in spherical form! Particle size control is possible in the range of 5μm to 500μm! Being spherical, it has excellent flowability! 【Features】 ○ Spherical shape provides good flowability and allows for high filling. ○ High fixed carbon content enables the production of spherical carbides through firing and heat treatment. ○ High purity with no ash content. ○ The molded products possess heat resistance, mechanical strength, chemical resistance, and electrical insulation comparable to conventional phenolic resins. For more details, please contact us or download the catalog.

• Other polymer materials
• plastic

"GPS" is a composite material that has been uniformly coated with phenolic resin on graphite using a special method. Various shapes with excellent uniformity can be obtained through thermal compression molding. It has conductivity and electromagnetic wave shielding effects, making it suitable for battery applications. Additionally, it is widely used in mechanical seals, electrodes, brushes, bearings, and more. Our company can accommodate orders from small lots to large lots. [Features] - Excellent storage stability, wear resistance, heat resistance, and oxidation resistance - Good fluidity and dispersibility, making it easy to mix with various raw materials - Good electrical and thermal conductivity - Low thermal expansion and strong against thermal shock *For more details, please refer to the materials. *We provide samples free of charge up to 1kg. Please feel free to contact us.

• Composite Materials
• Other polymer materials

The spherical phenolic resin "LPS Series" is a spherical form of the oldest type of thermosetting resin, phenolic resin, created through a special method. It allows for particle size control ranging from an average diameter of 5μm to 500μm. There are reactive uncured types, thermally insoluble cured types, and intermediate semi-cured types. Its spherical shape provides excellent flowability. 【Features】 - Spherical shape with good flowability, enabling high filling capacity - Carbon fibers fixed inside and on the surface of the spheres, allowing for the production of carbides in their original shape - High purity with no ash content For more details, please contact us or download the catalog.

• Other polymer materials
• plastic

The "CFPS series" is made by processing high-performance carbon fiber powder and phenolic resin in a special way to create a powdered form. By performing hot press molding, it can be shaped into any desired form, allowing for the easy production of products with excellent heat resistance and durability. Additionally, being granular, it has good flowability and dispersibility, making it easy to mix with various materials. 【Features】 ○ Easily insoluble and non-fusible through hot press molding ○ Capable of molding into any shape For more details, please contact us or download the catalog.

• fiber
• Composite Materials
• Other polymer materials

We will manufacture laminated molded products using graphite materials. As an alternative to asbestos-containing products, we are particularly targeting thick and large products and developing applications. 【Features】 ○ Compressive strength: 190 MPa ○ Flexural strength: 65 MPa ○ Less variation compared to asbestos molded products For more details, please contact us or download the catalog.

• others

Low-odor solid resol-type phenolic resin for casting, which is a specialty of Lignite. A new mold-making method utilizing superheated steam, which is an original patent of Lignite. The combination of these two has enabled innovative improvements in environmental issues, quality, and molding cycles in the casting field. 【Features】 ○ Enables mold making with minimized odor ○ Reduces dimensional defects, burrs, and gas defects in molds ○ Allows for rapid mold making using superheated steam For more details, please contact us or download the catalog.

• others

The LT-E series is an ultra-low odor solid resol phenolic resin that has evolved from the original solid resol phenolic resin, significantly reducing odor components and harmful substances generated during the casting molding process. 【Features】 - Successfully achieves extreme suppression of ammonia and formaldehyde emissions - Does not compromise the curing performance and strength required by molds For more details, please contact us or download the catalog.

• Other polymer materials

The uncoated type RCS phenolic resin "＃4600 series" can be widely used from general silica sand to special sand. Additionally, it can be blended with various types of resins to enhance various properties. 【Features】 ○ Gas barrier ○ Prevention of chemical fusion ○ Cooling effect For more details, please contact us or download the catalog.

• Other polymer materials

At Lignite, we specialize in manufacturing special resin rollers that place particular emphasis on heat resistance, wear resistance, chemical resistance, and durability. We have established a consistent production system from material development to molding and final processing of components, striving to meet the needs of our users. In particular, we are a manufacturer with dedicated materials for under rollers used in twisting machines. **Features of Lignite Under Rollers** - **Protection of Disc Rollers** Reduces wear and damage to disc rollers. - **Low Vibration and Low Noise** Achieves low vibration and low noise with appropriate compression elasticity and good vibration damping characteristics. - **Reduced Maintenance** With a specific gravity that is 1/5 that of metal, the under rollers are lightweight, making maintenance easier. - **Choice of Materials** Depending on the model you are using and other conditions, you can choose from two types of materials (BC-3000, RB500B).

• Rubber
• Other polymer materials