什么 DOWSIL™ 797 Weatherproofing Sealant?
One part silicone sealant specifically formulated for the sealing of expansion joints in curtain walling facades, building facades and other structures. It is also suitable for the sealing of connection joints between floors and walls, stairs and other building connections.
用途
- Ideal sealant for expansion, connection and other movement joints as its low modulus allows high movement but generates relatively low stress at the adhesion interface
- Excellent adhesion to a wide variety of construction materials such as concrete, stone, masonry, brick, wood, steel, glass, glazed surfaces, painted or varnished wood and ceramics
优势
- Will accommodate up to 50% joint movement
- Conforms to ISO 11600F& G25LM
- Modified cure time allows for easy conventional tooling
- Excellent resistance to weathering
- Good recovery after extension and compression
- High resistance to ozone, ultra violet radiation and temperature extremes