WD-819 Flame Retardant Silicone Sealant
Product Features
■ Excellent flame-retardant performance, and will not emit dense smoke or toxic gas when burned.
■ One-component, easy to use, with good extrudability and thixotropy in the temperature range of 4~40℃, just use a glue gun to extrude and apply directly.
■ Neutral curing, non-corrosive to metal, coated glass, concrete, marble, granite and other building materials, and is widely used.
■ Excellent weathering resistance.
■ It has excellent adhesion, and forms a strong seal with most building materials after curing and does not require primer.
■ It has good compatibility with other neutral silicone rubbers.
The main purpose
■ Waterproof, moisture-proof, decorative and flame-retardant sealing in public places such as hotels, hotels, theaters, etc.
■ Various doors and windows are installed with flame-retardant seals.
■ Various types of fireproof doors and windows are bonded and sealed, and all layers of curtain wall engineering are flame-retardant and sealed.
■ Fixing of electronic and electrical components and flame-retardant sealing.
■ Various other industrial uses.
Color Black, silver gray, porcelain white, etc., or other colors required by users.
Packaging WD-819 is packed in a 310ml plastic tube (300ml net capacity).
Use restrictions
■ Cannot be used as a structural sealant.
■ Not suitable for all materials that leak grease, plasticizers or solvents.
■ Not suitable for use in tight and unventilated places, because silicone sealant needs to absorb moisture in the air to cure.
■ Not suitable for frosty or wet surfaces.
■ Not suitable for continuous immersion in water or wet places all year round.
■ When the surface temperature of the material is lower than 4℃ or higher than 40℃, it is not suitable for construction. Safety instructions This product is non-toxic after fully cured, but before curing, avoid contact with eyes. If contact with eyes, please rinse with plenty of water and seek medical treatment; uncured products should avoid contact with children. This product will release a small amount of small molecules during the curing process. Please pay attention to ventilation in the construction and curing area, so as not to cause adverse effects on the human body when the concentration is too large. Purchasing channel users can directly buy from Wuhan University Photonics Technology Co., Ltd. or designated regional agents to ensure the quality of the products. Curing time WD-819 begins to undergo curing reaction from the surface to the inside after being extruded and exposed to air. The surface drying time is about 10-60 minutes. The maximum adhesive force after fully curing is 21 days after construction.
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