Air filter paper

Specifications

Parameters Standard Of Mesurement Grade Of Paper
A-111 A-121 A-131 A-141 A-151 A-161 A-231 A-241 A-251 A-261
Basis Weight, g/m2 LOCT 13199-94 100±5 100±5 110±5 115±5 120±5 130±5 110±5 115±5 120±5 130±5
Thickness,not less, mm ISO 439-80 ,Iso 534-80 0.40 0.40 0.40 0.45 0.5 0.55 0.40 0.40 0.4 0.55
Corrugation Deptg,not less,mm LOCT 20358-78 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18
Air Permeability, at Δp=200Pa, S=10 cm2, l/m2 * sec ISO 534-80 750±50 600±50 600±50 450±50 700±50 500±50 250±50 350±50 250±50 300±50
Burst Strenght,kPa,not less:
- before wetting
- after wetting		 LOCT 13525.8-86
180
120
180
120
200
120
200
120
200
120
250
120
200
120
200
120
200
120
250
120
Tensile Strenght, kN/m, not less
-MD
-CD		 ISO 1924/1-83
3.0
2.0
3.0
2.0
3.0
2.0
3.5
2.0
3.5
2.0
3.5
2.0
3.0
2.0
3.0
2.0
4.0
2.0
4.0
2.0
Max Pore Size,µm Topas PSM 165 95±10 90±10 90±10 85±10 90±10 90±10 70±10 80±5 75±5 75±10
Mean Flow Pore Size,µm Topas PSM 165 55±5 50±5 50±5 50±5 55±5 50±5 45±5 45±5 45±5 50±5
Stiffness, Nmm DIN 53121 20-25 20-25 23-28 25-28 25-30 25-30 23-28 25-30 25-30 25-30
Stiffness, g   3-6 3-6 5-7 5-7 5-8 5-8 5-8 5-8 5-8 5-8
Resin Content, % LOCT 20806-86 18±2 18±2 18±2 18±2 18±2 18±2 18±2 18±2 18±2 18±2
Dry Content, % LOCT 20358-78 5±2 5±2 5±2 5±2 5±2 5±2 5±2 5±2 5±2 5±2

 

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