山一化工 List of Products and Services

Our company handles "soft polyethylene pipes," which are lightweight and have excellent cold resistance. Usage temperature: For soft PE (low density), please use it below 60°C. Additionally, when using above 50°C, please ensure it is used in a state where there is no internal pressure. 【Features】 ■ Excellent corrosion and chemical resistance ■ Excellent impact resistance *For more details, please download the PDF or contact us.

• Safety and consumables

We handle "industrial vinyl hoses" made of soft polyvinyl chloride. They can be used for various machine parts and protective covers for general water supply and drainage. Please feel free to contact us if you have any requests. 【Features】 ■ Custom manufacturing is possible according to application - Non-migratory - Heat resistance and cold resistance - Oil resistance, etc. ■ Transparent, allowing for good visibility of contents (other colors besides transparent can also be produced) *For more details, please download the PDF or contact us.

• Water supply facilities

Our "UL/cUL Compatible Insulation Vinyl Tube" has obtained UL and cUL certifications and is manufactured based on these standards. It is a flame-retardant and heat-resistant vinyl tube for electrical insulation. It can be used for electrical insulation, protection, and identification in electrical equipment, measuring instruments, communication devices, and other apparatus. 【Specifications】 ■ UL/cUL Standards - Certification Number: E55011 - Temperature Rating: 105℃ - Voltage Rating: 300V, 600V - Catalog Numbers: YET-300H, YET600H - Flame Retardant Standard: VW-1 - Electrical Safety Law Flame Retardant: - F - *For more details, please download the PDF or contact us.

• Subsidiary materials

This catalog features products from Yamai Chemical Co., Ltd., which has been involved in the extrusion molding of plastic products for many years. It includes the "UL/cUL compatible insulating vinyl tube," which has obtained UL and cUL certifications and excels in flame retardancy and heat resistance, as well as the "Dextrone® U Tube (Polyurethane)" for medium and low pressure applications, among others. Please feel free to contact us if you have any inquiries. 【Featured Products】 ■ UL/cUL compatible insulating vinyl tube ■ Insulating vinyl tube (general use) ■ Industrial vinyl hose ■ Soft polyethylene pipe ■ Dextrone® U Tube (Polyurethane), etc. *For more details, please download the PDF or contact us.

• Work tools

We offer the "Food Grade Purelon® Hose (General Type)" suitable for transporting drinking water and various food products (excluding oils and fatty foods). It is flexible, transparent, and allows for good visibility of the fluid inside. The material is soft polyvinyl chloride. Please feel free to contact us if you have any requests. 【Features】 ■ Complies with the Food Sanitation Act - Ministry of Health and Welfare Notification No. 370 - Ministry of Health, Labour and Welfare Notification No. 201 - Ministry of Health, Labour and Welfare Notification No. 267 (excluding the heplan items) *For more details, please download the PDF or contact us.

• Piping and insulation

"Evadren" is a drainage channel designed for tunnel leakage and elevated bridges, known for its flexibility, elasticity, and strength, providing excellent resistance to protrusions. It absorbs vibrational energy, so there is no concern about damage from vibrations. Additionally, it can be installed without joints in both half and full cross-sections of tunnels. 【Features】 ■ Excellent weather resistance and ozone resistance ■ Very good low-temperature properties ■ Superior moisture resistance, unaffected by acids and alkalines in water, and relatively stable against other chemical agents ■ In elevated bridge construction, it can be installed without long joints if conditions are favorable *For more details, please download the PDF or contact us.

• Bridge Materials

The "Dexron® U Tube (Polyurethane)" is a tube designed for medium to low pressure applications, made from thermoplastic polyurethane resin, which generally exhibits excellent mechanical and chemical properties. The operating temperature ranges from -20°C to 60°C. It is flexible, highly elastic, and resistant to wear. Please feel free to contact us if you have any inquiries. 【Features】 ■ Strong against bending and tearing ■ Excellent low-temperature properties ■ Good transparency *For more details, please download the PDF or contact us.

• Temporary Construction Materials

Vinyl tubing for insulation (general use) is widely utilized not only in electrical equipment but also in various fields. *We also accommodate custom dimensions and colors beyond standard specifications. If heat resistance and flame retardancy are required, please also consider our "UL/CSA compatible vinyl tubing for insulation." 【Applications】 ◆Electrical equipment ◆Measuring instruments ◆Electrical insulation, protection, identification, etc., for communication devices and equipment *For more details, please download the catalog or feel free to contact us.

• Subsidiary materials