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1. Product specs
Classification Unit ID 80 ID 90 ID 100 Testing method
Material Filter - PP or PET PP or PET PP or PET KS K 0210
Core - PP or PE PP or PE PP or PE KS K 0210
Weight g/㎡ 80 or greater 90 or greater 100 or greater KS K ISO 9864
Width mm 100 ± 5 100 ± 5 100 ± 5 KS K 0505
Thickness mm 3.5 ± 0.5 4 ± 0.5 4 ± 0.5 KS K ISO 9863
 
2. Physical Standards
- Drain materials(Filter and core)
Classification Unit ID 80 ID 90 ID 100 Testing method
Tensile strength N/full width 2500 or more 3500 or more 4000 or more KS K ISO 10319
Tensile strength
(10% elongation rate)		 N/full width 2500 or more 3500 or more 4000 or more KS K ISO 10319
Discharge performance 10kPA ㎤/sec 140 or more 180 or more 200 or more ASTM D4716
Discharge performance 300kPA ㎤/sec 100 or more 140 or more 160 or more ASTM D4716
Discharge performance 300kPA
(straight line)
(four weeks of pressurization)		 ㎤/sec 25 or more 30 or more 30 or more Detail method
Discharge performance 300kPA
(curves)
(four weeks of pressurization)		 ㎤/sec 15 or more 20 or more 20 or more Detail method
- Filter material(filter + core)
Classification Unit ID 80 ID 90 ID 100 Testing method
Tensile strength N 500 or more 500 or more 700 or more KS K 0743
kgf 50 or more 50 or more 70 or more
Elongation % 20~80 20~80 20~80 KS K 0743
Tensile strength KN/m 7 or more 7 or more 9 or more KS K ISO 10319
tf/m 0.72 or more 0.72 or more 0.92 or more
Elongation % 20~80 20~80 20~80 KS K ISO 10319
Tearing strength N 150 or more 150 or more 150 or more KS K 0769
kgf 15 or more 15 or more 15 or more
Bursting strength N 700 or more 700 or more 700 or more KS K 0768
kgf 70 or more 70 or more 70 or more
Bursting strength KPa 1,000 or more 1,000 or more 1,000 or more KS K 0351
Permeability ㎝/sec α Х 10-2~-3 α Х 10-2~-3 α Х 10-2~-3 KS K ISO 11058
Effective pore size

㎛

 80 or less 80 or less 80 or less KS K ISO 12956
 
3. Chemical conditions (Filter Material)
Anti chemical property
(weight reduction rate)		 30% H2SO4  0.3% or less General chemistry test method
Precipitation time of hours at the room temperature.
20% HCl 0.3% or less
40% NaOH 0.3% or less
20% NaCl  o.3% or less
Distilled water
* The above figures are subject to change due to quality improvement.