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The Application Range Of PTFE Film

The teflon film because of its excellent purity and uniform thickness to be applied materials electronic field microwave circuit board such as the ideal, in large range of temperature and frequency changes, its dielectric constant is smaller than the change of other solid materials; the excellent arc resistance is a lot of wire and cable insulation electric field the best choice of materials, the volume resistivity of it even for a long time will not change in the water immersion, stability is better than other insulation materials; the excellent release properties and thermal stability of not only so that it can be continuously used in the above 260 degrees, but also can withstand the high temperature in a short period of time, the sufficient width means the smallest gap press in large parts, thus become the temperature fields of aviation and aerospace composite components the best surface from the type of material.