2. Sticking time: The curing process of silicone adhesive develops inward from the surface, and the drying time and curing time of silica gel surface with different characteristics are different, so if the surface is to be repaired, it must be done before the surface of glass adhesive is dried (acid adhesive and neutral transparent adhesive should generally be within 5- 10 minute, and neutral variegated adhesive should generally be within 30 minutes). If a place is pasted with color separation paper, it must be taken away before the skin is formed after gluing.
3. Curing time: The curing time of glass glue increases with the increase of bonding thickness. For example, acid glass glue with a thickness of 12mm may take 3-4 days to cure, but in about 24 hours, the outer layer of 3mm has already cured. When glass, metal or most wood are bonded, the peel strength is 20 lbs/inch after 72 hours at room temperature. If the place where the glass glue is used is partially or completely closed, then the curing time is determined by the tightness of the seal. In an absolutely closed place, it may never be cured. If the temperature rises, the glass glue will soften. The gap between metal-to-metal bonding surfaces should not exceed 25mm. In all kinds of bonding occasions, including closed conditions, before using bonding equipment, it is necessary to comprehensively check the bonding effect. During the curing process of acidic glass glue, there will be an odor due to the volatilization of acetic acid, which will disappear during the curing process and there will be no odor after curing.
4. Bonding: A. Wipe the metal and plastic surfaces thoroughly to remove oil stains. Then, in addition to washing the plastic with acetone, the rubber surface should be polished with sandpaper, and then wiped with acetone. Please observe the precautions when using acetone. B. Apply the glass glue evenly on the surface of the prepared object. If two surfaces are bonded together, you can put one surface first, and then squeeze the other surface with enough force to squeeze out the air, but be careful not to squeeze out the glass glue. C, placing the bonding device at room temperature until the glass glue is cured.
5. Sealing: When sealing with silicone glass glue, follow the above steps, and press the glass glue into the joint surface or gap to make the glass glue fully contact with the surface.
6. Cleaning: Glass glue can be wiped off with cloth or paper towel before curing, scraped off with scraper after curing or scrubbed with xylene, acetone and other solvents.
1. Glass glue is a material for bonding and sealing various glasses with other substrates. Mainly divided into two categories: silicone adhesive and polyurethane adhesive (PU). Silicone sealants is what we usually call glass sealant, which can be divided into acid sealant and neutral sealant (neutral sealant can be divided into stone sealant, mildew sealant, fire sealant, pipeline sealant, etc. ).
2. Glass glue can be divided into neutral glass glue and acidic glass glue according to its performance. Generally used for home improvement bonding. The places where glass glue is generally used for home decoration are: the dumb mouth on the back of wooden line, sanitary ware, bathroom, toilet cosmetic mirror, gap between sink and wall, etc. Glass glue with different properties should be used in these places. Neutral glass adhesive relay is relatively weak and is generally used on the back of bathroom mirror without strong adhesive force. Neutral glass glue is widely used in home decoration, mainly because it will not corrode objects, while acidic glass glue is generally used in the dumb mouth on the back of wood grain, with strong adhesion.