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Contact SupplierOne side sodium etched PTFE sheet is an amazing non-stick material, but when you need to glue it to the surface of another material or in order to bond standard PTFE to another surface such as stainless steel, a process called "etching" is required. Typical applications would include the lining of chemical process tanks or other equipment used in caustic environments. When bonding is needed, sodium ammonia etching is usually the most economical answer. This process uses of a mixture of sodium and ammonia that is formulated to create a bondable surface both quickly and efficiently. PTFE Etching can be done to any shape or size, most preferred or most commonly used is one side etching Sheet. PTFE Etched one side "BROWN" color Material:Virgin PTFE.  Specified materials are also Ok Color:Brown Method:Skived and molded MOQ:According to the size and our stock Sample:Free Price:according to the specification and quantity, the more the cheaper. Package:Usually wooden case Specifications of PTFE skived Sheet Regular specifications Thickness(mm) Width1000mm Width1200mm Width1500mm Width2000mm Width2700mm 0.1, 0.2, 0.3, 0.4 √ √ √ - - 0.5, 0.8 √ √ √ √ - 1, 1.5, 2, 2.5, 3, 4, 5, 6 √ √ √ √ √ 7, 8 √ √ - - - Custom specifications Thickness 0.1mm ~ 10.0mm Width 300 ~ 2700mm  Specifications of  PTFE molded sheet Regular specifications Thickness(mm) Length*Width1000*1000mm Length*Width1200*1200mm Length*Width1500*150