Sika Primer-21 W - Primary for cemented or gypsum surfaces porous or not - Sika

Sika Primer-21 W - Primary for cemented or gypsum surfaces porous or not - Sika

Sika® Primer-21 W is a primary composed of epoxy resins, fillers and specific additives in aqueous dispersion, intended to serve as background layer or layer of adhesion on different types of media.

Areas of application:

• Treatment of absorbent or fairly absorbent surfaces e.g. concrete, screeds at base of cement, gypsum, plaster plates, holders anhydrite, wood and Particleboard before application of adhesives and products of smoothing or autoegalisants cementitious compounds.
• For the application of adhesives products of smoothing on non-absorbent surfaces such as ceramic (glazed bricks, stone polished, etc.) tiles, epoxy coatings, stone, PVC, linoleum and class C2 (EN 12004).

Packaging:

Can 2 or 5 kg.

Appearance / color:

Clear blue liquid.

Consumption

100-150 g/m² according to the degree of absorption of the support.

Conservation

6 months from the date of manufacture if stored in the original packaging in a dry environment, protected from Frost and high temperatures.