Hiraizumi Yoko Co., Ltd.'s Company Profile and Products

Ethylene propylene diene rubber (EPDM) is a polymer with excellent heat resistance, weather resistance, and ozone resistance. A...

• Polymeric Materials

• EPDM Rubber

Ethylene propylene diene rubber (EPDM) is a polymer with excellent heat resistance, weather resistance, and ozone resistance. A...

• Polymeric Materials

• EPDM Rubber

Ethylene propylene diene rubber (EPDM) is a polymer with excellent heat resistance, weather resistance, and ozone resistance. A...

• Polymeric Materials

• EPDM Rubber

Ethylene propylene diene rubber (EPDM) is a polymer with excellent heat resistance, weather resistance, and ozone resistance. A...

• Polymeric Materials

• EPDM Rubber

Ethylene propylene diene rubber (EPDM) is a polymer with excellent heat resistance, weather resistance, and ozone resistance. A...

• Polymeric Materials

• EPDM Rubber

Hydrogenated acrylonitrile-butadiene rubber (HNBR) is a polymer with better heat, weather, and abrasion resistance than NBR, an...

• Polymeric Materials

• Macromolecules

Hydrogenated acrylonitrile-butadiene rubber (HNBR) is a polymer with better heat, weather, and abrasion resistance than NBR, an...

• Polymeric Materials

• Macromolecules

Hydrogenated acrylonitrile-butadiene rubber (HNBR) is a polymer with better heat, weather, and abrasion resistance than NBR, an...

• Polymeric Materials

• Macromolecules

Hydrogenated acrylonitrile-butadiene rubber (HNBR) is a polymer with better heat, weather, and abrasion resistance than NBR, an...

• Polymeric Materials

• Macromolecules

Hydrogenated acrylonitrile-butadiene rubber (HNBR) is a polymer with better heat, weather, and abrasion resistance than NBR, an...

• Polymeric Materials

• Macromolecules

Renogran® is a master batch of rubber chemicals made into pellets with an elastomer binder. Compatible with all general purpose...

• Polymeric Materials

• Elastomers

Renogran® is a master batch of rubber chemicals made into pellets with an elastomer binder. Compatible with all general purpose...

• Polymeric Materials

• Elastomers

Renogran® is a master batch of rubber chemicals made into pellets with an elastomer binder. Compatible with all general purpose...

• Polymeric Materials

• Elastomers

Dispersants, lubricants, peptizers, and adhesion agents designed to improve the efficiency of compound kneading and processing ...

• Protective Materials & Equipment

• Dispersants

Dispersants, lubricants, peptizers, and adhesion agents designed to improve the efficiency of compound kneading and processing ...

• Protective Materials & Equipment

• Dispersants

Good aging resistance and ozone resistance.

Blucurrent® E/C is a new type of retarder that is different from conventional nitrosamines and organic acids. Additionally, it ...

BULKRENE® is a completely new type of crosslinking agent that prevents reversion of NR, IR, SBR, BR or their blends. Recommende...

• Chemicals

• Water-Based Curing Agents

Antilux® is a protective agent with excellent weather resistance and oxidative deterioration resistance when rubber products ar...

• Paints

• Surface Treatment Chemicals

Renodib® is used to prevent unvulcanized rubber from sticking, and there is also a lineup of mold release agents.

• Protective Materials & Equipment

• Mold Release Agents

Thermoplastic elastomers (TPEs) are polymers that combine the flexibility of rubber with the processability of plastics. It can...

• Polymeric Materials

• Elastomers

It extends the useful life of plastics and polyurethane by stabilizing their deterioration over time due to hydrolysis. ■Main ...

The property of TAC is that it is a trifunctional monomer that can be easily polymerized, especially in the presence of peroxid...

• Chemicals

• Water-Based Curing Agents

TAICROS® is a trifunctional monomer that can be polymerized especially in the presence of peroxide catalysts. It has excellent ...

• Chemicals

• Water-Based Curing Agents

TAICROS® M is a trifunctional monomer with very low homopolymerization tendency and high thermal stability. Compared to other c...

• Chemicals

• Water-Based Curing Agents

Plastics require stabilization to prevent them from degrading when exposed to heat, cold, and UV light. Specially designed pla...

It not only dramatically improves the compatibility and dispersibility of each resin, but also provides features such as reduci...

• Protective Materials & Equipment

• Dispersants

■PW-52　PW-60　PW-70　PW-S A masterbatch containing high content polyisobutylene mixed with LLDPE. Used as a tackifier. ■VMPP-...

Tyclin P-SE is a purge agent based on PMMA resin. Powerful foaming and accompanying physical scraping effect thoroughly cleans ...

• Cleaning Agents & Equipment

• Purging Compounds

Isocyanate group-terminated prepolymers are polymers obtained by reacting polyols with excess polyisocyanate. By changing the t...

• Adhesives & Repair Materials

• Cure Accelerators

Silicone is a polymer that has inorganic siloxane bonds (-Si-O-Si-) as its backbone and organic groups bonded to it, and has bo...

• Polymeric Materials

• Silicone Resins

This is a testing machine that measures the hardness of rubber and elastomer using the IRHD scale. Hardness can be measured aut...

• Meters & Instruments

• Rubber Hardness Testers

This is a testing machine that measures the hardness of rubber and plastic using a shore scale. Hardness can be measured automa...

• Meters & Instruments

• Rubber Hardness Testers

This is a testing machine that measures the plasticity of natural rubber and unvulcanized rubber. Plasticity testing is one of ...

A fully automatic CNC cutter for creating various test pieces. The program optimizes work cycle data and saves it for each spec...

• Machining / Machine Tools

• Cutting Machines

Fully automatic oil-less Vicut testing machine. It requires only compressed air and electricity, has good air cooling efficienc...

This is a testing machine that measures the minimum film forming temperature MFT. By heating and cooling the measuring plate, i...

This equipment tests the resistance of laminated plastic films to repeated strain.

• Test Equipment

• Fatigue Testing

This is a testing machine that measures the melting point and properties of organic substances in the range of 50℃ to 260℃. It ...

• Measuring Equipment

• Melting Point Determination Apparatuses

This device analyzes the cell structure of many porous materials with different structures, including polyurethane foam, at hig...

This is a testing machine that continuously measures rise profile, curing behavior, foaming pressure, reaction temperature, etc...

This is a testing machine that continuously measures the pressure relaxation and shape recovery processes of viscoelastic foam....

• Test Equipment

• Creep Testers

This is a tester that measures the curing reaction and reaction temperature of two-component reactive resin using dielectric po...

This tester measures the air permeability of flexible foam cellular structures.

This testing machine accurately measures the density, tensile strength, tear strength, and thickness, which is the basis for co...

• Meters & Instruments

• Thickness Gages

This is a testing machine that measures the rebound resilience of soft foam. A metal ball is dropped and the rebound height is ...

This is a testing machine that measures the thickness and hardness reduction of flexible foam and evaluates the long-term perfo...

• Test Equipment

• Impact Testers

This is a testing machine that evaluates the performance and quality of each part of a mattress by dropping a disc from an arbi...

• Test Equipment

• Impact Testers

This is a test machine that reproduces dry, wet, and ice road environments on special discs, and uses a unique powder to collec...

• Test Equipment

• Abrasion Testers

This is a testing machine that dynamically measures the fracture mechanical behavior and crack growth of rubber specimens. A CC...

• Test Equipment

• Impact Testers

This tester evaluates the minimum tearing energy T0 that initiates and accelerates crack growth in rubber specimens. Whereas en...

• Test Equipment

• Impact Testers

A quantitative analyzer for rubber chip and cut resistance. An air-driven indenter applies impact to rubber samples to evaluate...

• Test Equipment

• Impact Testers

SIGMASOFT is virtual molding simulation software for rubber/elastomers, LSR, thermoplastic resins, and thermosetting resins. A...

• Analysis Software

• Structural Analysis Softwares

SIGMASOFT Rubber/Elastomer is capable of highly accurate simulation of the injection molding, compression molding, and transfer...

• Analysis Software

• Structural Analysis Softwares

SIGMASOFT LSR is capable of highly accurate simulation of the LSR (liquid silicone) injection molding process from filling to p...

• Analysis Software

• Structural Analysis Softwares

SIGMASOFT's thermoplastic resin module is capable of highly accurate simulation of filling, holding, and cooling analysis durin...

• Analysis Software

• Structural Analysis Softwares

SIGMASOFT thermosetting resins are capable of highly accurate simulation of the injection molding process from flow to crosslin...

• Analysis Software

• Structural Analysis Softwares

This is a processing machine that preforms any type of rubber with high precision and high speed in both weight and shape. The ...