Weather-Proof Silicone Sealant (WS789+)

Main purposes:

1. Professionally used for non-structural lap and butt joint sealing of curtain walls, including weather-resistant sealing of high-rise curtain walls such as glass, aluminum panels, aluminum-plastic panels, and steel structure main bodies.
2. Weather sealing in glass, aluminum plate, aluminum-plastic plate, steel, concrete, brick, ceramic, plastic, metal (excluding copper) plates;
3. Seam sealing in occasions with high sealing safety requirements, multi-purpose caulking and sealing

Characteristics:

1. One-component, neutral-cured with excellent adhesion, weatherability and elasticity for weather sealing in curtainwall and building facades;
2. Excellent weatherability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes;
3. With good adhesion and compatibility with most building material;
4. Remain flexible over a temperature range of -40⁰C to 150⁰C.
5. Colors available :
6. c

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   c

   c

   c

   c

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Application:

1. Clean with solvents such as toluene or acetone to keep the substrate surfaces completely clean and dry;
2. For better appearance cover outside of joint areas with masking taps before application;
3. Cut nozzle to desired size and extrudes sealant to joint areas;
4. Tool immediately after sealant application and remove masking tape before sealant skins.

Limitations:

1. Unsuitable for curtain wall structural adhesive;
2. Unsuitable for the airproof location, because it is required to absorb moisture in air to cure for the sealant; 
3. Unsuitable for the frosty or moist surface;
4. Unsuitable for the continually soggy place;
5. Can’t be used if the temperature is below 4°C or above 50°C on the surface of the material.

Warranty Period : 12 months if keep sealing, and stored below 27°C in cool, dry place after the date of production.

Standard: GB/T 14683-I-Gw-35HM

Volume: 300ml