Gelest PSI-021

Knowde Enhanced TDS

Identification & Functionality

Chemical Family: Silicones
Chemical Name: Tetraethyl Silicate, Hydrolized
Base Chemicals Functions: Crosslinking Agent,
Intermediate
CASE Ingredients Functions: Crosslinking Agent
Industrial Additives Functions: Binder
Molecular formula: (C₂H₅O₂)₂SiO
Technologies: Base Chemicals & Intermediates,
CASE Ingredients,
Industrial Additives & Materials
Product Families: Base Chemicals & Intermediates — Intermediates
Other Intermediates
CASE Ingredients — Monomers & Intermediates
Chain Extenders & Crosslinkers
Industrial Additives & Materials — Processing Aids
Glass & Ceramic Additives
Chemical Structure

Applications & Uses

Markets: Industrial
Applications: Industrial — Chemical & Industrial Manufacturing
Chemical Manufacturing
Applicable Processes: Chemicals Production
Industrial Additives End Use: Refractory Materials
Applications: Base for zinc-rich paints

Binder for "lost wax" investment casting of refractory metals

Crosslinker for two-component condensation cure (silanol) RTVs

Properties

	Value	Units	Test Method / Conditions
Molecular Weight	134.2	g/mol	—
Metal Content (Si, 40-42% SiO2 equivalent)	20.5 - 21.5	%	—
Density (at 25°C)	1.05 - 1.07	g/ml	—
Viscosity	3 - 5	cSt	—

Regulatory & Compliance

Chemical Inventories: IECSC (China),
NDSL (Canada),
NZIoC (New Zealand),
PICCS (Phillipines),
TSCA (USA)

Packaging & Availability