1、 Other corresponding brands: hk69 silane coupling agent

II. Chemical name: two - (γ - triethoxysilylpropyl) four sulfide

3、 Chemical structure formula:

4、 Physical properties: light yellow transparent liquid with alcohol odor, specific gravity 1.073 (20 ℃). Soluble in lower alcohols, ketones, benzene, toluene, halogenated hydrocarbons, etc., insoluble in water.

5、 Purpose:

This product is a multifunctional silane coupling agent which has been successfully used in the rubber and plastic industry. Its application has improved the physical and mechanical properties of rubber, improved the tensile strength, tear strength, wear resistance, etc., reduced the permanent deformation, reduced the viscosity of rubber and improved the processing performance.

It is especially suitable for vulcanized rubber system with silica or silicate as reinforcing agent. Its suitable fillers include silica, talcum powder, clay, mica powder, clay, etc., and its suitable polymers include NR, IR, SBR, NBR, EPDM, etc.

6、 Technical specifications

appearance	Light yellow transparent liquid
Impurity content (%)	≤6.0%
Sulfur content (%)	≥220.5
Density(ρ25)g/cm3	1.0800-1.0900
Refractive index（nD20）	1.48200.0005

7、 Packaging, storage and transportation: packed in plastic barrels, with a net weight of 1kg, 5kg, 25kg and 200kg. Sealed and stored in a cool, dry and ventilated place, moisture-proof and waterproof, away from fire and heat source.