The use of building sealant in construction engineering, indoor and outdoor decoration is very common. ** Xiangyang Auman and you share is about polysulfide building sealant precautions and construction methods, let's have a look!
1 polysulfide building sealant can not be mixed with other silicone glass adhesive, otherwise it will affect its bond performance.
2. The construction temperature of polysulfide building sealant should be above 5℃, otherwise it will affect its bond performance and curing speed.
3 polysulfide building sealant B component can not react with water in the air, can not be exposed to air, more can not be mixed with other sealant.
4 low modulus polysulfide sealant construction method: When you open the package, you will find that there are two transparent plastic bags in the bucket, among which the white polysulfide sealant is group A, and the small black packing glue is group B curing agent. First take out group B for use, carry group A plastic bag, and directly leak the glue into the iron bucket, and then pour group B into the iron bucket, and stir it directly with the agitator for about half a minute, until the glue in the bucket reaches uniform color and no color difference Use. The prepared polysulfide glue can be directly injected into the expansion joint with an iron spoon with a tip, or can be injected into the expansion joint with a tip pot. The speed of the injection must be slow, and the density of the grouting in the joint must be minimized. If the rubber surface is not smooth, it can be gently scraped with a gray knife.
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