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AL2CHEM SPECIALTIES AL 40 Ethyl Silicate

AL 40 is a partially hydrolyzed mixture of monomers, dimers, trimers and cyclic polysiloxanes which contains 40% silicon dioxide.

Ingredient Name: Tetraethyl Silicate

Chemical Name: Tetraethyl Silicate, Hydrolized

Functions: Anti-Caking Agent, Carrier, Crosslinking Agent, Flow Promoter

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Ingredient Name
Animal Feed & Nutrition Functions
Plastics & Elastomers Functions
Empirical Formula
C2H5O{Si(OC2H5)2O}4-5C2H5
CAS No.
68412-37-3
Ingredients
Silicates
EC No.
270-184-7

Applications & Uses

Compatible Polymers & Resins
Applications
  • Binder and storage stability for zinc rich paints.
  • Organic rubber and cold-cure silicone rubber crosslinking agent.
  • Investment castings and other high precision foundry applications.
  • Starting material for sol-gel process, can form siloxane networks.
  • Ready to use, can be combined with organosilanes.

Properties

Physical Form
Appearance
Colorless transparent liquid
Typical Physical Properties
ValueUnitsTest Method / Conditions
Acidity (as HCl)max. 0.01
Alcoholmax. 2%
Other Impuritiesmax. 5ppm
Silicon Dioxide Content40 - 42%%
Specific Gravity (at 20°C)1.02 - 1.08g/cm³
Viscosity5 - 7cps