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PRODUCT INTRODUCTION PRODUCT PERFORMANCE Item Common Type Enhanced Type Ⅰ Enhanced Type Ⅱ Density(g/cm³) 0.96-1.0 1.0-1.1 1.0-1.1 Impact strength(KJ/㎡) ≧130 ≧140 ≧140 Water absorption(%) ≦0.01 ≦0.01 ...