Name: ZEMSIL CS-75
Brand: ZEMSIL

Question 1

What is ZEMSIL CS-75?

Accepted Answer

ZEMSIL CS-75 (Bis[3-(triethoxysilyl)propyl] Disulfide, CAS 56706-10-6) is a ZEMSIL® silicone material. ZEMSIL CS-75 (TESPD) is the disulfide variant of CS-69, equivalent to Si-75. The shorter disulfide bridge releases fewer sulfur atoms during mixing, reducing scorching risk at high mixing temperatures. Preferred when processing conditions require higher mixing temperatures or when pre-mixing of silane with silica is done at elevated temperature.

Question 2

What is ZEMSIL CS-75 equivalent to?

Accepted Answer

ZEMSIL CS-75 is equivalent to Si-75, TESPD, Dynasylan TESPD and can be used as a direct drop-in replacement in most formulations.

Question 3

What are the main applications of ZEMSIL CS-75?

Accepted Answer

ZEMSIL CS-75 is used in: Green Tire Tread (pre-mix process), Silica-Rubber Compounds.

Question 4

What are the key specifications of ZEMSIL CS-75?

Accepted Answer

Active Ingredient: ≥90 %; Sulfur Content: 13–15 %; Density (25°C): 1.04–1.08 g/cm³; Viscosity (25°C): 30–100 mPa·s

Question 5

What is the CAS number of ZEMSIL CS-75?

Accepted Answer

The CAS number of ZEMSIL CS-75 (Bis[3-(triethoxysilyl)propyl] Disulfide) is 56706-10-6.

ZEMSIL CS-75

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خاصیت	مقدار	واحد	روش آزمون
Active Ingredient	≥90	%	—
Sulfur Content	13–15	%	—
Density (25°C)	1.04–1.08	g/cm³	—
Viscosity (25°C)	30–100	mPa·s	—