Pp Fundamentals Explained
资助维基百科 外观 创建账号 登录 个人工具 创建账号Polypropylene at place temperature is immune to fats and Practically all natural and organic solvents, apart from powerful oxidants. Non-oxidizing acids and bases might be stored 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