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PVDF fluorine alloy membrane main material, the chemical stability of PVDF is good, it has excellent chemical corrosion resistance and good heat stability, by adding additives such as PTFE superfine powder of song rui fluorine alloy membrane patent, can be in to 40 ℃ to 150 ℃ temperature range use for a long time, is one of good insulation, is solar battery back surface protection material.
