DOWSIL™ 758 Silicone Weather Barrier Sealant
A one part, neutral cure silicone sealant, designed for adhering to low energy surfaces common in sheet or peel and stick weather resistant barriers. Primerless adhesion to LDPE, anodized aluminum, vinyl, powder coated aluminum, Kynar® coated aluminum.
Uses:
Strong adhesion strength to:
- Self-adhered window flashing and wraps
- Nonwoven spunbound window flashing and wraps
- Polyethylene wraps
- Polyethylene surfaces
- Polypropylene surfaces
- Common polyolefins
- PVC
- Steel, aluminum and metals
- Fluorinated surfaces
Benefits:
- High adhesion strength
- Long-term silicone durability
- Low-VOC formulation
- Single-component, primerless application
- ±25% movement capability
- Passes 5,000 hr QUV test
Get primerless adhesion to window flashing and fenestration materials
Innovative DOWSIL™ 758 Silicone Weather Barrier Sealant solves the challenge posed by plastic- and polyolefin-based window flashing and fenestration materials, sticking to the most demanding substrates without need for a primer.
Properties
These values are typical properties and are not intended for use in preparing specifications.
- Adhesion to Fluoropolymers, Paint, Vinyl/PVC-U, Anodized Aluminum
- Color White
- Cure Type Neutral Cure
- Durometer - Shore A 30 Shore A
- Elongation 800 %
- Flow/Sag (Slump) 0.06 mm
- Movement Capability -25 to 25 %
- Number of Parts One
- Primerless Adhesion Primerless
- Resistance Type UV Resistance
- Tensile Strength 200 psi
- Volatile Organic Content 25 g/liter
- Working Time 15 Minutes
No Safety Data Sheets are available online for this material Please Contact Dow for additional information.
No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.
