Identification Method of Silicone Adhesive
There are many types of sealants: silicone sealants, polyurethane sealants, polysulfide sealants, acrylic sealants, anaerobic sealants, epoxy sealants, butyl sealants, neoprene sealants, PVC sealants, and more Asphalt sealants, etc.
The identification of silicone adhesive mainly depends on the following properties:
1. Breaking strength (breaking force/cross-sectional area);
2. Bonding strength (stretching force/bonding area, except for substrate damage);
3. Breaking Elongation (length when broken/original length);
4. Anti-aging ability;
5. Appearance (matt, particles, bubbles);
6. Shape retention (no drawing, no sag on the facade);
7. Shelf life ;
8. curing time.
There is no good or bad, the performance corresponds to the price, and the best fit. Secondly, there is stability and sufficient quantity, which are tests for manufacturers. If the capacity of the sealant is less than the marked capacity (note: it is the capacity. The situation of the sealant is very serious), such a sealant should be eliminated first. This kind of business thinking has problems and the product is not much better. (There are also many problems, which prove that the production process of its products is not strictly controlled). If the amount is large, the production stability of the sealant must be considered.
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