分类

分级

厚度（mm）

抗张强度（kN/m)

挺度（mN.m）

过滤效率（%）a

过滤阻力（Pa）a

MD

CD

ASHRAE

F6

0.32-0.35

1.2

0.5

≥1.5

≥15

≤15

F7

≥45

≤35

F8

≥60

≤60

F9

≥80

≤90

HEPA

NK-H-95 W (H10W)

0.32-0.35

1.2

0.5

≥1.2

≥95

≤160

NK-H-29W (H11W)

≥99

≤200

NK-H-295W (H12W)

0.3-0.33

≥99.5

≤260

NK-H-39W

≥99.9

≤300

NK-H-395W

≥99.95

≤320

NK-H-397 W (H13W)

≥99.97

≤360

NK-H-49W

≥99.99

≤380

ULPA

NK-U-495W (H14W)

0.3-0.33

1.2

0.5

≥1.2

≥99.995

≤400

NK-U-59W

99.999

≤450

NK-U-69W

99.9999

≤560

分类

分级

厚度（mm）

抗张强度（kN/m)

过滤效率（%）b

过滤阻力（Pa）b

MD

CD

HEPA

NK-H-95Y (H10Y)

0.32-0.35

0.3

0.15

≥90

≤130

NK-H-29Y (H11Y)

≥98

≤180

NK-H-295Y (H12Y)

0.3-0.33

≥99.2

≤200

NK-H-39Y

≥99.8

≤260

NK-H-395Y

≥99.92

≤340

NK-H-397Y (H13Y)

≥99.96

≤350

NK-H-49Y

≥99.98

≤365

ULPA

NK-U-495 Y (H14Y)

0.3-0.33

0.3

0.15

≥99.99

≤380

NK-U-59Y

99.992

≤400