F 6

F 7

F 8

Efficiency

14.2 cm/s, 0.3μm

%

30±10

50±6

70±5

Pressure drop 14.2 cm/s

Pa

≤40

≤70

≤100

Application Grade

Per EN 779:2012

M6(F6)

F7

F8

Average Efficiency

%

60 ≤ Em < 80

80 ≤ Em < 90

90 ≤ Em < 95

Discharged Efficiency

%

N/A

≥45

≥65

Basic weight

g/m2

70±5

75±5

80±5

Thickness  500 Pa

mm

2.5±0.5

2.5±0.5

2.5±0.5

Tensile

Cross

N/50mm

≥40

≥40

≥40

Machine

N/50mm

≥20

≥20

≥20

Color

apricot

purple

yellow

Width

mm

680, 695, or customer`s designated, max. 1400