Cylindrical Horizontal Plastic Board Drain / CHD

DHD foreign material properties

DHD foreign material properties
1. DRAIN(CORE+FITER)	Test method	Unit	DHD200	DHD200R	DHD200RW	DHD300	DHD300R	DHD300RW
Type	-	-	Double-cored			Double-cored
Material	-	-	PP, PET			PP, PET
Weight	ASTM D 5261	g/m	≥ 200	≥ 200	≥ 190	≥ 300	≥ 300	≥ 280
Width	ASTM D 3744	mm	200 ± 10	200 ± 10	200 ± 10	300 ± 10	300 ± 10	300 ± 10
Thickness	ASTM D 5199	mm	≥ 6.0	≥ 6.0	≥ 5.5	≥ 6.0	≥ 6.0	≥ 5.5
Tensile strength (at break)	ASTM D 4595	KN	≥ 3.0	≥ 2.8	≥ 2.5	≥ 5.0	≥ 4.5	≥ 4.0
Discharge capacity at 100kPa gradient I=1.0	ASTM D 4716	m³/day	20	20	20	22	22	22
2. FILTER
Material	-	-	PET			PET
Permeability	ASTM D 4491	(10^-4) m/s	≥ 2.0	≥ 2.0	≥ 1.5	≥ 2.0	≥ 2.0	≥ 1.5
Tensile strength	ASTM D 4632	N	≥ 500	≥ 500	≥ 250	≥ 500	≥ 500	≥ 250
Elongation	ASTM D 4632	%	≥ 20	≥ 20	≥ 20	≥ 20	≥ 20	≥ 20
Opening size (O₉₀)	ASTM D 4751	μm	≤ 75	≤ 75	≤ 75	≤ 75	≤ 75	≤ 75