Electronic potting silicone rubber can make effect in electrical equipment product and it’s function of adhesive,potting and sealing can meet the electrical equipment waterproof, insulation and flame retardant demands.
Now,in the market,the most application in electrical equipment is electronic potting silicone rubber and epoxy resin sealant,in order to let you have a more clearly knowledge,please check the below difference of this two item:
Difference | silicone potting compounds | Epoxy resin sealant |
Cured hardness | Elasticity | Hard |
Glue adhesion | Medial | Good |
Smell | No | Yes |
Temperature | Stable resistant at high temperature -50~250℃ | Poor resistant at high temperature -50~150℃ |
Curing time | Adjusting | Adjusting |
Weather resistance | Excellent | Poor |
Shrinkage | Almost to zero | Large shrinkage |
Thermal conductivity[w/(m·k)] | Good performance and fast heat,up 0.6 to 0.8 | Poor performance,about 0.3 to 0.5 |
Restoratio | Can repair without no trace | Beyond repai |
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