三新化学工業 List of Products and Services

"Sunhard RP" is an asphalt modifier primarily composed of waste plastics generated during the manufacturing process of rubber chemicals. By adding this product to recycled asphalt mixtures, it enables the creation of stable-strength road pavements that are not affected by the degree of deterioration of the old asphalt contained in the recycled aggregates. Additionally, it improves functional aspects such as the dynamic stability of the pavement surface. 【Features】 ■ Certified recycling product by Yamaguchi Prefecture for the fiscal year 2008 (recycled paving material) ■ Main component is waste plastics generated during the manufacturing process of rubber chemicals ■ Not affected by the degree of deterioration of the old asphalt contained in the recycled aggregates ■ Enables stable-strength road pavements ■ Increases the dynamic stability of the pavement surface *For more details, please refer to the PDF document or feel free to contact us.

• Other consumables

"Sanbit 507N" is a chemical polishing agent that allows for the polishing of complex products by incorporating special compounds. It can be applied to all types of austenitic stainless steel. Additionally, it does not contain hydrofluoric acid, and the acid concentration during use is around 5%, ensuring safety. This results in less pollution compared to conventional chemical polishing agents for stainless steel, making wastewater treatment easier, reducing the generation of gases and odors, improving the working environment, enhancing safety, and lowering exhaust gas treatment costs. 【Features】 ■ Incorporates special compounds ■ Capable of polishing complex products ■ Applicable to all types of austenitic stainless steel ■ Does not contain hydrofluoric acid ■ Less pollution compared to conventional chemical polishing agents for stainless steel *For more details, please refer to the PDF document or feel free to contact us.

• Other abrasives

This document introduces "UV Curing with SunAid SI." Since SunAid SI consists of aromatic sulfonium salt compounds, it has UV absorption. Therefore, when exposed to high-pressure mercury lamps (wavelength 200–450nm), it is activated by that energy and causes the epoxy resins to undergo ring-opening polymerization through a cationic polymerization mechanism. [Contents] ■1. UV Curing Mechanism ■2. Characteristics of Cationic Polymerization ■3. Examples of UV Curing Tests ■Test Conditions ■Test Methods *For more details, please refer to the PDF document or feel free to contact us.

• others

At Sanxin Chemical Industry, we handle "Vulcanization Accelerators for Chloroprene Rubber (CR)." Chloroprene Rubber (CR) is known for its excellent oil resistance, ozone resistance, heat resistance, and flame resistance, making it widely used in various automotive parts, industrial products, and electrical wires. Additionally, unlike other polymers, CR uses zinc oxide and magnesium oxide, which are metal oxides, as standard vulcanizing agents, with the standard amounts being 5 phr of zinc oxide and 4 phr of magnesium oxide. 【Various Vulcanization Accelerators】 ■ Thio Urea Series - Sunseller 22-C / Sunseller EUR / Sunseller BUR / Sunseller TMU ■ Sulfur Combination Series - Sulfur / Sunseller TS or TT / Sunseller DT or D Combination Series *For more details, please refer to the PDF materials or feel free to contact us.

• Other consumables

"Sanbit PMT/PMT-2" is a long-term water-soluble rust inhibitor primarily composed of a unique organic carboxylic acid derivative, containing no oil at all. It leaves no stickiness on the coated surface, contributing to the beautification of the factory. It allows for the simplification of the troublesome degreasing process. Additionally, it is a weak alkaline type, making it easy to handle. 【Features】 ■ The main component is a unique organic carboxylic acid derivative ■ Contains no oil at all ■ No stickiness on the coated surface ■ Contributes to the beautification of the factory *For more details, please refer to the PDF document or feel free to contact us.

• Rust Inhibitor

"Sanbit ABT" is a car antifreeze copper and copper alloy rust inhibitor raw material, which is a carboxylic acid derivative of 2-mercaptobenzothiazole. In addition to its rust prevention effect on copper and copper alloys, it also forms a protective film on iron, preventing corrosion. When handling, please wear a dust mask to avoid inhalation of dust and ensure proper ventilation. 【General Properties (Partial)】 ■ Appearance: Light yellowish-white powder ■ Melting Point: Above 150.0°C ■ Heating Loss: 0.5% or less ■ Ash Content: 0.3% or less, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Rust Inhibitor

"Sanbit PBT" is a car antifreeze copper corrosion inhibitor raw material that is a carboxylic acid derivative of 2-mercaptobenzothiazole. In addition to its corrosion prevention effect on copper, it also forms a protective film on iron and aluminum, preventing corrosion. The appearance is a grayish-white powder. 【General Properties (Partial)】 ■ Appearance: Grayish-white powder ■ Melting Point: Above 140.0°C ■ Heating Loss: Below 0.5% ■ Ash Content: Below 0.3%, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Rust Inhibitor

At Sanxin Chemical Industry, we handle "Thiazole-based Vulcanization Accelerators." They do not contaminate rubber, making them suitable for transparent and colored products. Additionally, they exhibit relatively good flat vulcanization properties while also providing excellent aging resistance of the vulcanizates, along with advantages such as high tensile strength and tensile stress, making them suitable for various diene-based rubbers. 【Features】 ■ Good flatness in vulcanization ■ Excellent aging resistance of vulcanized rubber ■ Difficult to develop cracks ■ Superior physical properties of vulcanized rubber ■ Activated by guanidines, thiurams, and dithiocarbamates *For more details, please refer to the PDF materials or feel free to contact us.

• Other consumables

"Sunceler D-G/DT" is a guanidine-based vulcanization accelerator that is widely adopted in practical formulations, particularly due to its significant synergistic effects when used in combination with thiazole-based accelerators such as "Sunceler M/DM." Due to its weak promoting power, it is rarely used alone, but it is suitable as a secondary accelerator to activate acidic accelerators such as thiazole, thiuram, and dithiocarbamate-based accelerators. 【Properties (partial)】 <Sunceler D-G> ■Appearance: White granules ■Melting point: Above 144.0°C ■Ash content: 0.5% or less ■Heating loss: 0.3% or less ■Specific gravity: 1.13, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Other consumables

"Sundant 2246" is a phenolic non-contaminating antioxidant with excellent heat resistance and weather resistance. It can be used not only for synthetic rubber and natural rubber but also as a latex additive due to its good dispersion, demonstrating excellent resistance to oxidation and heat aging. Additionally, it can be used as an antioxidant for various plastics, lubricants, and gasoline. Furthermore, it does not bloom and prevents frosting, which is likely to occur in humid rooms or during the summer. 【Features】 ■ Excellent heat resistance and weather resistance ■ Phenolic type ■ Demonstrates excellent resistance to oxidation and heat aging ■ Usable as an antioxidant for various plastics, lubricants, and gasoline ■ Prevents frosting, which is likely to occur in humid rooms or during the summer *For more details, please refer to the PDF materials or feel free to contact us.

• Other consumables

【Features】 ■ Long-term rust prevention for steel, cast iron, copper, and brass ■ No stickiness on the coated surface, contributing to factory aesthetics ■ Simplifies the troublesome degreasing process ■ Easy to handle with a weak alkaline type ■ Allows for cleaning and rust prevention after rust removal by shot blasting, etc. ■ Good adhesion of the paint *For more details, please contact the representatives below. Ueno: t.ueno@sanshin-tc.co.jp Azami: y.azami@sanshin-tc.co.jp TEL: 03-5823-5501

• Chemicals

At Sannshin Trading, we handle products from Sannshin Chemical Industry, a chemical manufacturer that develops unique technologies and original products, primarily focusing on rubber chemicals. This catalog includes organic rubber chemicals, insoluble sulfur, polymerization regulators, rust inhibitors, cationic polymerization initiators, and chemical polishing agents. Each category is presented in a table format with chemical names, structural formulas, characteristics, and applications, making it easy to understand and select products. [Contents] ■ Organic rubber chemicals ■ Insoluble sulfur ■ Polymerization regulators ■ Rust inhibitors ■ Cationic polymerization initiators, etc.

• Chemicals

The San-Aid SI series is a cationic polymerization agent primarily composed of novel aromatic sulfonium salts, used for epoxy resins, vinyl ethers, and other cationic polymerization resins. Cationic polymerization initiators/acid generators enable low-temperature curing. 【Features】 ■ Long working time and rapid gelation ■ Transparent cured coatings are also possible ■ One-component formulation is possible ■ B-stage formulation is possible *For more details, please contact the representatives below. Ueno: t.ueno@sanshin-tc.co.jp Azami: y.azami@sanshin-tc.co.jp TEL: 03-5823-5501

• Chemicals