Description
DOWSIL™ 688 Silicone is a one-part neutral cure silicone sealant designed for a wide range of glazing, weathersealing and professional caulking applications. It will bond to form a strong weatherproof seal on most common building materials.
Characteristics
- Neutral cure; will not corrode galvanized/zinc-coated steel or attack concrete
- Excellent resistance to weathering, ultra-violet radiation, vibration, moisture, ozone, temperature extremes, airborne pollutants, cleaning detergents and many solvents
- Long life reliability
- Meets International Standards such as CNS 8903, BS 5889, BS EN ISO11600 20LM
- Strong elastic seal capable of withstanding movements up to ± 25% of original joint width
- Non-slumping; can be used in vertical and overhead joints
- Easy to use – one part, no mixing required
- Can be applied in any season
- Easy to use
- Bonds to most common construction materials without use of primer
- Excellent recovery from extension and compression
- Ease of application – ready to use as supplied
