测试项目Test item

物性指标Natural target

单位Unit

详细参数Detailed parameter

克重Gram heavy

g/m2

210±10%

厚度 Thickness

mm

1.8±10%

抗拉强度Tensile strength

MD

N /5cm

>250

CD

>230

撕裂强度Peel strength

MD

N

>35

CD

>35

延伸率Rupture elongation

MD

%

>10

CD

>10

透气度Rupture elongation

mL/cm2.s

≥85

初始效率Initial efficiency

um

≥98

全寿效率Entire long-lived efficiency

%

≥99.5

容尘量Accommodates the quantity of dust

≥180

颜色 Color

白、黄、灰、蓝  White, yellow, ash, blue