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PTFE recycled materials performance much worse than the new material

Teflon is one of the best material in the world today corrosion resistance, and therefore have to "plastics king" reputation. Teflon is almost free from any chemical reagents corrosion. For example, in concentrated sulfuric acid, nitric acid, hydrochloric acid, boiling water and even the king, no change in its weight and performance, almost insoluble in all solvents and only slightly soluble at above 300 ℃ Full alkanes (about 0.1g / 100g). PTFE plate and glass can be bonded, it recommended treatment sodium tetrafluoroethylene plate to paste without sodium treatment certainly not on the sticky glue AB should be treated on sticky. PTFE moderate level of resistance excellent corrosion-resistant properties, but the mechanical strength is not high.