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Expanded Polypropylene (EPP) has long been manufactured through each strong and soften condition processing. EPP is made employing melt processing with both chemical or Actual physical blowing agents. Enlargement of PP in sound point out, because of its highly crystalline framework, hasn't been successful.Polypropylene at place temperature is immun

资助维基百科 外观 创建账号 登录 个人工具 创建账号Polypropylene at space temperature is resistant to fats and almost all organic solvents, apart from robust oxidants. Non-oxidizing acids and bases can be saved in containers fabricated from PP.耐热且化学稳定性比较高。本质上和高密度聚乙烯接近，结晶度�