DOWSIL™ 688 Glazing and Cladding Sealant

什么是 DOWSIL™ 688 Glazing and Cladding Sealant?

单组分中性固化有机硅密封剂，适用于各种上光、防潮和专业填缝应用。它粘合后，会在绝大多数常用的建筑材料上形成一层耐候性极佳的密封层。

DOWSIL™ 688 Glazing and Cladding Sealant is a one-part neutral cure silicone sealant designed for a wide range of glazing, weather sealing and professional caulking applications; will bond to form a strong weatherproof seal on most common building materials

Adheres to a wide range of building materials and finishes
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
Good weatherability – it is virtually unaffected by sunlight, rain, snow, ozone or temperature extremes
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

应用优势
Non-Slump	true
Resistance Type	Ozone Resistance, Thermal Resistance, UV Resistance
Temperature Range	-20 to 120 °C