SiSiB¬ PC9110

Tetramethyltetravinylcyclotetrasiloxane
SiSiB¬ PC9110 is a methyl vinyl cyclosiloxane.
Technical Data
CAS No. 2554 06 5
EINECS No. 219-863-1
Formula C12H24O4Si4
Molecular Weight 344.7
Boiling Point 229®C [760mmHg]
Flash Point Min. 100®C

Color and Appearance Colorless transparent liquid
Density 25/25®C 0.970-1.000
Refractive Index 1.4300-1.4400 [20®C]
Grade PC9110A PC9110B PC9110C PC9110D PC9110E
Active Content Min.99.5% Min.99.5% Min.99.0% Min.98.0% Min.98.0%
Vinyl Content Min.30.3% Min.30.0% Min.29.8% Min.29.5% Min.29.3%
ViD3 Content Max.0.2% Max.0.25% Max.0.30% Max.0.30% Max.0.50%
ViD4 Content Min.98.0% Min.95.0% Min.90.0% Min.80.0%   Min.70.0%

ViD4: 2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-cyclotetrasiloxane

ViD3: 2,4,6-trimethyl-2,4,6-trivinyl-cyclotrisiloxane

Application

SiSiB¬ PC9110 cyclic siloxanes may be used in formulating addition-curing silicone RTV or rubber formulations.

SiSiB¬ PC9110 is a very effective inhibitor for a platinum catalyzed addition-curing Two-Part RTV. When used as an inhibitor, SiSiB¬ PC9110 is normally added to the crosslinker part of the formulation. Its high boiling point and low evaporation rate provides an extremely stable working time at ambient temperatures of the formulated Two-Part RTV.

SiSiB¬ PC9110 is a very unique silicone raw material useful in the synthesis or manufacturing of reactive silioxane polymers with random vinyl functionality the backone of the silicone polymer chain.

Packing and Storage

SiSiB¬ PC9110 cyclosiloxane is supplied in 180Kg steel drum or 900Kg IBC container.

In the unopened original container SiSiB¬ PC9110 has a shelf life of one year in a dry and cool place.

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