DOWSIL 1200 OS Primer is a colorless, moisture-curing primer that improves adhesion and accelerates adhesion build-up of silicone sealants on various substrates.
Features:
- Improves adhesion of silicone sealants to many substrates
- Provides more uniform and stronger bonds
- Supplied as a dilute solution in low-viscosity siloxane (OS solvent); the solvent does not deplete the ozone layer
- Low VOC (76 g/l); formulated for low toxicity
- Air-dries in 15 to 90 minutes at room temperature and 50% RH; drying beyond 6 hours should be avoided
Applications:
- Primer for silicone adhesives and sealants
- Weathersealing and structural glazing
Specifications / Approvals:
- Meets South Coast and Bay Area Air Quality Management District VOC regulations
Typical Properties:
- Color: Colorless
- Viscosity at 23°C: 1 mPa·s
- Specific gravity at 23°C: 0.84
- Flash point (closed cup): 27°C (80.6°F)
- Shelf life: 18 months from date of production (unopened, at or below 25°C)
| Packing | 500 ML |