£5.34 inc VAT
£4.45 ex VAT


Product Description

Kaowool Rigidiser / Hardener 500ml

An inorganic liquid hardening agent for ceramic fibre blanket and board. It produces a hard surface finish with increased resistance to mechanical abrasion and to gas flow erosion. Hardener can be applied by brushing, spraying or dipping.

Rigidiser will help the walls of the kiln made with blanket fibre from being too flaky.

Hardener is normally used diluted 50-50 with water and
can be applied by brushing, spraying, or dipping. Spray
operation should be carried out under well ventilated
conditions, taking care to avoid breathing in the spray.

The amount needed varies with the type of application,
and is dependent on variables such as Blanket density
and the depth of treatment required. As a surface coating,
2.5 litres of diluted Hardener will cover 1m2, and 17 litres
will saturate the same area of 25mm @ 128kg/m3

Drying procedure is not critical but 12 hours at 90 C is
fairly typical. Natural drying is feasible but, in the case of
through-hardened Blanket or Board, migration of
Hardener to the material surface may occur.

Customer Reviews

By on
"Brilliant product. Swiftly delivered."
Star Rating 5
By on
"Easy to use, does what it says on the bottle. The website doesn’t show ho w much is in the bottle shown on the website. You have to buy one first to get a hint as to the quantity per bottle."
Star Rating 5
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