Electronic potting adhesive for electronic products and selection-Iota

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Service > Electronic potting adhesive for electronic products and selection

Electronic potting adhesive for electronic products and selection

Along with the vigorous development of the electronics industry, people pay more attention to product stability, on the weatherability of the electronic products have more stringent requirements, so now more and more electronic products need potting and encapsulation of electronic products can enhance the waterproof ability, seismic capacity and heat dissipation, protection of electronic products from natural environment erosion and extend the service life of the.
Potting potting and electronic products will generally choose silicone material, because it has good resistance to high temperature ability, can withstand -60 degrees to 200 degrees between the hot and cold changes without cracking and remain flexible, filled and modified using conductive materials and good conductivity after potting, can improve the effectiveness of electronic components the cooling capacity and moisture resistance, and electronic potting material for curing silicone soft, convenient electronic equipment repair, comparison of epoxy resin material electronic potting, encapsulating high hardness after curing, easy to strain electronic components, anti cold change, small crack is easy to appear in the hot and cold change process, impact proof performance the temperature resistance, only -10 to 120 DEG C, generally applies only to electronic equipment without special requirements on the environment.
However, there are two disadvantages 1, adhesive of poor silicone sealant, when used as a potting, coating material, in order to improve basic substrate adhesion, usually need to advance to the substrate of bottom coating or adding tackifying Jing, used to more trouble. 2, easily poisoning (curing), silicone sealant is a relatively environmentally friendly encapsulant, platinum curing agent is lively, easy and other impurities react, causing poisoning. But the market relatively well-known silicone sealant manufacturers (such as: Zhao Shun, Dow Corning, Shin Etsu... And so on) of the manufacturers have very good solve this problem, colloidal strong anti poisoning, can maintain a stable curing ability, also have certain bonding ability. In terms of price, Dow Corning because foreign brands is so higher prices, and domestic manufacturers of Siu Shun is the new show of the silicone industry, but in the quality of the products and Dow Corning is exactly the same, but the price is reasonable.

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