This TDS is applicable for the United Arab Emirates only. Please contact your local Polybit sales office for the available TDS in your region
Single component acrylic co-polymer mastic
Polymastic is a single component acrylic co-polymer mastic, which is designed for pointing applications. The mastic on curing forms a pliable flexible seal which can accommodate moisture and thermal movements with minimal shrinkage.
Polymastic can be used in both horizontal and vertical applications and has a movement accomodation factor (maf) of ±10%.
- Good compatibility with paints and emulsions. Can be over painted
- Excellent resistance to weathering
- Good resistance to water and water vapour
- Excellent adhesion to most building substrates. Can be used without the use of primer in new substrates
- Fast drying
- Resists mildew and mould growth
- Easy to apply, one component sealant. No mixing required