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How to bond liquid silicone rubber
30 Apr 2020
How to add liquid silicone rubber? Addition liquid silicone rubber is relatively different from condensed silica gel, because of the use of different vulcanizing agents. The former mostly uses platinum vulcanizing agent, while the latter uses double two four vulcanizing agent to catalyze. Mostly, the metal and plastic substrates coated with Kang Libang CL-26AB high-quality liquid silicone adhesive are bonded together in the mold by injection (injection) molding process. In line operation, the product has the characteristics of no parting line and high production efficiency.
How does the silicone stick
Select the appropriate molding process according to different silicone properties. There are solid silicone rubber molding, liquid silicone injection molding. The latter is divided into two types: condensation type and addition molding. How to add liquid silicone rubber to bond. Precautions:
①Select suitable silicone adhesive, Kang Libang recommends that the glue should avoid poisoning. Taboo encounters with sulfur, phosphorus, nitrogen, etc .;
②The method of using silicone adhesive must be correct: it involves factors such as thermal vulcanization temperature, length of time, and even mixing of two-component adhesive (adhesive) and vacuum removal;
③Additional molding liquid silicone rubber can be potted, hot vulcanized, extruded, and trace injection molded;
④ Other influencing factors on the adhesion of additive silicone, such as operating habits, experience, mold design, etc.
