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Anhui Sinograce Chemical Co., Ltd.

Silane Coupling Agent, CAS No. 40372-72-3, Sulfur-Containing Silane Coupling Agent manufacturer / supplier in China, offering Silane Coupling Agent (SI-69), Milky White Liquid Special Resin Polymer (PF-135), (SA-232) Water Based Pressure Adhesive for Paper Labels and so on.

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Silane Coupling Agent (SI-69)

FOB Price: Get Latest Price
Min. Order: 1 kg
Port: Shanghai, China
Production Capacity: 100tons/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, D/A

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Basic Info
  • Model NO.: SI-69
  • Usage: Sulfur Vulcanized Rubber -Types of Rubber:Natural
  • Sulfur Content: >22.5%
  • Density: 1.069g/cm3
  • Trademark: SINOGRACE
  • Origin: China Anhui
  • Appearance: Liquid
  • Color: Colorless Transparent Liquid
  • CAS No.: 40372-72-3
  • Refractive Index: 1.493
  • Transport Package: Available in 25 Kg/Drum
  • HS Code: 3812309000
Product Description


Improved dynamic characteristics like

Improve the stability of cross-linking, tear, shear, water resistance, etc., lower compression deformation, heat resistance



Sulfur-containing silane coupling agent


Typical properties

Appearance:               brown transparent liquid

Flash point:                a≥100 ºC

Sulfur content:            ≥22.5%

CAS No.:                    40372-72-3

Density:                      1.069g/cm3

Refractive index:        1.493

Chemical name:         bis (γ- triethoxysilylpropyl silylpropyl) - tetrasulfide

Structural formula:     (C2H5O)3SiCH2CH2CH2S4CH2CH2CH2Si(OC2H5)3



-Sulfur vulcanized rubber

-Types of rubber:Natural rubber, styrene-butadiene rubber, nitrile rubber, neoprene, butyl rubber, butadiene rubber, isoprene rubber and


-Inorganic fillers, carbon black, silica, glass fiber, talc, mica, fly ash, clay, etc.

-Rubber products, tires (tread, carcass, tire outer wall), solid rubber tire rubber roller surface

-Conveyor surface, brush steel wire binding, cables, shoes (back shoes, marathon shoes, tennis shoes)


Storage and handling

Available in 25 kg/drum

Store products in tightly closed original containers at 5-40ºC

Shelf life: 12 months from delivery date

According to non-dangerous goods transport

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