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FASCAT® 8231 Catalyst
FASCAT® 8231 organotin is a silicone condensation catalyst that offers hydrolytic stability for aqueous emulsions.
The FASCAT® 8231 catalyst, also known as dioctyltin bis(2-ethylhexyl mercaptoacetate), is a yellowish liquid with a distinct smell. This grade is commonly employed in systems where a long pot life and hydrolytic stability are crucial for the curing process. FASCAT® 8231 can be utilized in water-based emulsions for textile purposes. This catalyst is employed in silanol condensation processes for caulk and sealant applications, as well as in the manufacturing of silicones.
Specifications
Form: Liquid Color: Yellowish Formula: (C8H17)2Sn(SCH2CO2C8H17)2 CAS number: 15571-58-1 Molecular weight: 751.8 Sn %: 15.7 Chloride %: 0.02 Flash point, °C: >90 Melting point, °C: −9 Crystallization temp, °C: −39 Refractive index: 1.500 Viscosity: 87.4 cs Specific gravity (@ 25°C): 1.07 g/cm
Silanol condensation catalyst for silicones Hydrolytic stability Long pot life Highly soluble in esters, ketones, alcohols, and hydrocarbons Insoluble in water
Problems Solved
Catalyst does not provide hydrolytic stability
Applications
Caulk Adhesives Sealant Intermediate chemical manufacturing Textiles
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