Water Glass 40% is suitable for a variety of uses but typically used as an adhesive, a drilling fluid, for repairing head gaskets and exhausts and for crafting.

Available with certificates of analysis and specifications for all your quality assurance needs.

If you dont see the packaging size you require please get in touch, we are able to supply all our products in any package size.

CAS Number


Einecs Number


% Active


Chemical Formula


Molecular Weight



Sodium trisilicate solution

Water glass

Silicic acid, sodium salt


H314 – Causes severe skin burns and eye damage.
H335 – May cause respiratory irritation.
H290 – May be corrosive to metals.

P260 – Do not breath dust/ fume/ gas/ mist vapours/ spray.
P280 – Wear protective gloves/ protective clothing/ eye protection.
P305+P351+P338 – IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P303+P361+P353 – IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
P304+P340+P310 – IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor.