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waterproof silicone sealant
1. Features ZS-NJ-D939C is one kind of the one-component dealcoholized silicone sealant at room temperature curing with medium viscosity. This product has the properties of high strength, good adhesion for various metal such as alumina, copper, stainess steel, etc. With excellent dielectric properties and heat resistance. In general, the range of temperature is -60℃～200℃. During the curing process, it will release the alcohols, which no corrosion to the materials such as polycarbonate(PC) and copper. Completely complied with RoHS of EU directive.2. The Typical Application •Bonding and waterproof sealing guardrail?tube of photo-voltaic industry or LED bulb. •Bonding and sealing engineering plastics, metal, glass and ceramics, etc. •The technical parameters before the curing and after the curing process3. Instructions •Clean surface: clean surface of adherend and coated to remove the rust,dust and greasy dirt, etc. •After sizing: Unscrew the hose cap (or cutting), squeezing the glue on cleaned surface, so that can be distributed uniformly. •Curing: the part of bonding or sealing were cured naturally in the air. The curing is a process from the surface to the internal, the depth of curing is 2 ~ 4mm within 24 hours (at room temperature and 55% relative humidity), if the location of sizing is too deep, especially when it is not easy to contact the air, then the completely curing time will be extended, if the temperature is low, the curing time will be extended either, the fully curing time need at least 7 days if the thickness of sealant is 6mm .4.Caution After operating, the rest of glue must be sealed to store , and tightened the cap immediately. when using it in the next time, if there is a little crust in sealed place, to remove it and it will not affect the normal application. the process of storage , the canal orifices may appear the phenomenon of the curing, to clean it then it can be used again, and the performance of product is not affected. 5. Storage and transportation •6 months shelf life if stored below 25 ℃ in cool, dry place, when the product passed its expiration date, it should be confirmed without abnormal phenomenon, then that can be used. •These products don't belong to dangerous goods, so they can be transported as normal chemicals. But be careful of leakage.
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