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|
Class |
Grade |
Efficiency |
Resistance |
Tensile Strength |
Thickness |
Basic Weight |
Stiffness |
|
HEPA |
H14 |
≥99.995% |
≤420Pa |
1.0-1.25KN/m |
0.33±0.02mm |
74±4g/m2 |
mg≥1000 |
|
H13 |
≥99.97% |
≤330Pa |
0.9-1.20KN/m |
0.33±0.02mm |
74±4g/m2 |
mg≥1000 |
|
|
H12 |
≥99.8% |
≤260Pa |
0.9-1.20KN/m |
0.33±0.02mm |
74±4g/m2 |
mg≥1000 |
|
|
H11 |
≥98% |
≤180Pa |
0.9-1.20KN/m |
0.33±0.02mm |
74±4g/m2 |
mg≥1000 |
|
|
H10 |
≥94% |
≤120Pa |
0.9-1.20KN/m |
0.33±0.02mm |
74±4g/m2 |
mg≥1000 |
|
|
ASHRAE |
F9 |
≥95% |
≤80Pa |
0.9-1.15KN/m |
0.33±0.02mm |
70±4g/m2 |
mg≥900 |
|
F8 |
≥90% |
≤60Pa |
0.9-1.15KN/m |
0.33±0.02mm |
70±4g/m2 |
mg≥900 |
|
|
F7 |
≥80% |
≤40Pa |
0.9-1.15KN/m |
0.33±0.02mm |
70±4g/m2 |
mg≥900 |
|
|
F6 |
≥60% |
≤25Pa |
0.9-1.15KN/m |
0.33±0.02mm |
70±4g/m2 |
mg≥900 |