Description
Sika BlackSeal® BT - Butyl rubber construction joint sealant and adhesive (bitumen based)
Sika BlackSeal® BT is a butyl rubber, high solids, joint sealant and adhesive. The high solids formulation provides excellent gap filling properties without shrinkage.
- 1-part ready to use
- Dual use sealant and adhesive
- Good adhesion to a range of substrates
Usage:
Sealing, bonding and repairing:
- Bitumen roof felt
- Walls
- Other non-structural building elements
- For interior and exterior use
Advantages
- 1-part ready to use
- Dual use sealant and adhesive
- Good adhesion to a range of substrates
- Does not require primer
- Can be applied on damp substrates
Product details:
Chemical Base: Butyl rubber
Shelf Life: 24 months from date of production
Storage Conditions: The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +25 °C. Always refer to packaging.
Density: ~1,80 kg/l
Solid Content: ~85 %
Application
Backing Material: Use closed cell, polyethylene foam backing rod
Sag Flow: < 3 mm (20 mm profile, 23 °C) (ISO 7390)
Ambient Air Temperature: +5 °C min. / +40 °C max.
Substrate Temperature: +5 °C min. / +40 °C max. Minimum +3 °C above dew point temperature
Tack Free Time: ~25 minutes
Download Product Data Sheet here.