Crosile®966 thio-carboxylate functional silane

Novel Monosulfur Silane

Crosile-966 is a thio-carboxylate functional silane that can reduce rolling resistance while maintaining wet traction. Compared to conventional silane coupling agents like Crosile-69 and Crosile-75; Crosile-966 offers superior processing performance and can improve the overall production efficiency of tires.

Item NO.:
crosile-966
CAS No.:
220727-26-4
Chemical Formula:
3- Octanoylthio-1-propyltriethoxysilane

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Crosile®966 thio-carboxylate functional silane

Novel Monosulfur Silane

Chemical Formula: 3- Octanoylthio-1-propyltriethoxysilane

Cas No.: 220727-26-4

Physical Properties:

Technical Specifications

Items	Target Values(Spec.Limits)
Purity %(Wt)	³ 93.0
Other Impurities %	≤3.0
R2 Content %	≤3.0
Density (20°C, g/cm³)	0.969±0.02
Refractive Index（25℃）	1.450-1.480
Viscosity（25℃） Cps	≤10
Ethanol Content %	≤0.5

Applications and Performance:

• Reduced Rolling Resistance

Applied to tire treads, Crosile-966 can reduce rolling resistance through a one-step compounding process. It enhances the overall processing performance of rubber compounds and minimizes the environmental impact of volatile emissions.

• Ideal Experimental Results

Crosile-966 provides design possibilities by helping achieve the following effects in rubber compounds.

• Higher Production Efficency

Crosile-966 not only enhances tire performance but also improves rubber processing performance. It significantly promotes the dispersion of silica in the compound, reduces Mooney viscosity, and makes the rubber easier to process, mix, and form.

+ Increased Elasticity

+ Good storage stability of the compound.

+ Lower Tan δ values (50 °C to 60 °C) reduced tire rolling resistance.

+ Better dynamic properties at low temperatures (-20 °C to +10°C), achieved better wet grip.

+ Reduce non-productive mixing steps, improve production efficiency, and reduce production costs.

+ Without increasing viscosity or premature vulcanization in high-temperature mixing, which is convenient for users to customize the performance of the rubber.

Crosile-966 tanD-T Comparison Chart with other Competitors

thio-carboxylate functional silane comparison chart; sulfur silane coupling agent; Reduced Rolling Resistance; Improved Wet Traction

Packaging and Storage

1) Packaging: Packed in plastic drums, with a net weight of 25 kg per drum.

2) Storage: Store in a cool, ventilated, and dry place.

3) Shelf life: One year under normal storage conditions.

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