Bis[3- (triethoxysilyl) Propyl]Tetrasulfide Silane Coupling Agent Kh-858 Si-69 a-1289 CAS. 40372-72-3

• CAS No.: 40372-72-3
• Formula: C18h42o6s4si2
• EINECS: 254-896-5
• Type: Synthesis Material Intermediates
• Appearance: Liquid
• Quality: Technical
• Model NO.: km-195
• Colour: Yellow
• Boiling Point: 218
• Sulfur %: 21.5+-0.05min
• Flashing Point: 100min
• Viscosity: 11-12
• pH: 7-8
• Transport Package: 25kg Plastic Drum
• Specification: 98%min
• Trademark: KMW
• Origin: China
• HS Code: 39100000
• Production Capacity: 100mt/Month

Product Description

CODE:km-195
Chemical nature	Bis-[3-(triethoxysilylpropyl)]-tetrasulfide (GW-04,GW-96-2,GY-69)
	CAS No	40372-72-3
	Molecular Formula	(H5C2O)3-Si-(CH2)3-S4-(CH2)3- Si-(H5C2O)
Properties	Appearance	light yellow or brown transparent liquid
	Boiling pointºC	218
	Sulfur %	21.5±0.05min
	Flashing point ºC	100min
	Viscosity(20ºC,CPS)	11.5±0.5
	PH	7-8
Application	In rubber industry, it can improve properties of white canborblack and other inorganic filler in the rubber matrix and vulanized rubber. Modify features: reduce the viscosity of colloidal, improve mobility, increase the interaction between the filler and the raw rubber, increase reinforcing properties,improve the tensile strength and tear strength of vulcanizates, reduce the wear volume,  permanent compression set, higher density of sulfur,improve the heat resistance, reduce heat and improve the product heat.

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