Gelest PSI-021

CAS Number: 68412-37-3
Chemical Name: Tetraethyl Silicate, Hydrolized, Tetraethyl Silicate Hydrolized
Chemical Family: Silicones
Molecular Formula: (C₂H₅O₂)₂SiO

Gelest POLY(DIETHOXYSILOXANE), 40-42% SiO2 (PSI-021) is a base for zinc-rich paints, a binder for "lost wax" investment casting of refractory metals, and a crosslinker for two-component condensation-cure (silanol) RTVs. It functions as a crosslinking agent, intermediate, and binder and is commonly used in chemical production.

Identification

CASE Ingredients Functions: Crosslinking Agent

Product families

Applications

Industrial — Chemical & Industrial Manufacturing

Chemical Manufacturing

Product Families

Base Chemicals & Intermediates — Intermediates

Other Intermediates

CASE Ingredients — Monomers & Intermediates

Chain Extenders & Crosslinkers

Industrial Additives & Materials — Processing Aids

Glass & Ceramic Additives

Other characteristics

Functions: Binder, Crosslinking Agent, Crosslinking Agent, Intermediate
Markets: Industrial
Technology: Base Chemicals & Intermediates
CASE Ingredients
Industrial Additives & Materials
Packaging Under: Nitrogen
Standard Packaging: 100 g
2 kg
18 kg
220 kg
Applicable Processes: Chemicals Production
Chemical Inventories: IECSC (China)
NDSL (Canada)
NZIoC (New Zealand)
PICCS (Phillipines)
TSCA (USA)
Base Chemicals Functions: Crosslinking Agent
Intermediate
Industrial Additives End Use: Refractory Materials
Industrial Additives Functions: Binder

Technical data

Table 1 of 1

4 rows

Characteristic	Value	Unit
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