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　　Silica gel of choose and buy electric hotline from time to tome what aspects need attention: silicon electric hotline is a kind of electric heating cable, can according to the size of the resistor, collocation for working voltage, through the process of electromagnetic energy conversion for energy, on a silica gel electric heating wire, he and other goods, also is the decision-making level, could like no resistance by using the chair, and he is quite strong, truth is the same, decision-making electric leaf able to bear or endure not after use, how long is the life, the key decisions in several aspects, the reader can according to this level, clearly put forward when the choose and buy some regulations on data information.

 

1) bending frequency is greater than or equal to 25000 times.

 

(2) the cable sheath of resistance to high temperature, the higher the better.

 

(3) resistance to low temperature characteristics of cable sheath.

 

(4) the compressive betweenness is not less than 2500 v, the high pressure test report.

 

(5) is the best option contains validation of well-known brand manufacturers, as material is generally not easy is very poor.