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Important insulation material FR4 on the electrical reactor
2019-07-30

Important insulation material FR4 on the electrical reactor



Reactors are an indispensable component of the entire power system. Generally used in reactors on the frequency converter, it can not only prevent interference from the power grid, but also reduce the pollution of the grid caused by the harmonic current generated by the rectifier unit. Therefore, the choice of its insulating materials must be cautious. After the authority of the relevant departments, the FR4 epoxy board is the best choice for insulation on the reactor.

Next, let's take a closer look at why the FR4 epoxy board is used as the insulation material.FR4 is made of epoxy resin impregnated with electrical glass cloth through high temperature and hot pressing. It has good insulation, high temperature resistance and good mechanical strength. Moreover, it is not necessary to perform the detection at regular intervals, which greatly saves manpower and material resources. FR4's high temperature resistance can reach 160 degrees. Even in the hot summer, there is no fear that it will not cause any malfunction due to excessive temperature, which will endanger people's lives and property.

Looking at the physical and mechanical parameters of this insulating material for FR4 epoxy board?
(1) Specifications: 1020mm*1220mm; 1220mm*2440mm
(2) Color: yellow, water green, black;
(3) Water absorption: (D-24/23, plate thickness 1.6mm): ≤19mg;
(4) Density: 1.9-2.1 g/cm;
(5) Burning rating: UL 94V-0.
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