The silica gel mainly in article LED lights potting, good fluidity and no bubble, belong to a high transparent silicone material, it can be high temperature resistant 300 degrees, 80 degrees below zero in the low temperature resistance, resistance to oxidation resistance and high transmittance, encapsulation effect is good, with this silicon encapsulating the article lamp feel soft, long service life, this is normal epoxy resin unable to realize effect, and it is also the LED industry choice, if you have the latest product has any doubt, you are welcome to inquire. The telephone number: 13322606289 contacts: Mr. Tang