Asymmetry spiral drain / PCD

PCD foreign material properties

PCD foreign material properties
1.DRAIN	Test method	Unit	PCD32	PCD32R	PCD32RW	PCD50	PCD50R	PCD50RW
Type	-	-	Cylindrical			Cylindrical
Material	-	-	HDPE, PET			HDPE, PET
Weight	ASTM D 5261	g/m	≥ 90	≥ 90	≥ 85	≥ 160	≥ 160	≥ 145
Outside Diameter	Normal	mm	32 ± 2	32 ± 2	32 ± 2	50 ± 2	50 ± 2	50 ± 2
Inside Diameter	Normal	mm	27 ± 2	27 ± 2	27 ± 2	45 ± 2	45 ± 2	45 ± 2
Discharge capacity	ASTM D 4716	m³/s	∞	∞	∞	∞	∞	∞
2.FILTER
Material	-	-	PET			PET
Permittivity	ISO 11058	S^-1	≥ 3.0	≥ 3.0	≥ 20	≥ 3.0	≥ 3.0	≥ 20
Tensile strength longitudinal	ISO 10319	kN/m	≥ 3.0	≥ 3.0	≥ 1.5	≥ 3.0	≥ 3.0	≥ 1.5
Tensile strength transversal	ISO 10319	kN/m	≥ 6.0	≥ 6.0	≥ 3.0	≥ 6.0	≥ 6.0	≥ 3.0
Strain under maximum strength	ISO 10319	%	≥ 80	≥ 80	≥ 15	≥ 80	≥ 80	≥ 15
Discharge capacity at 50kPa, Gradient I=1	ISO 12958	(10^-6) m/s	≥ 1.0	≥ 1.0		≥ 1.0	≥ 1.0
Discharge capacity at 200kPa, Gradient I=1	ISO 12958	(10^-7) m/s	≥ 1.5	≥ 1.5		≥ 1.5	≥ 1.5
Apparent Opening size (O₉₀)	ISO 12956	μm	≤ 75	≤ 75	≤ 75	≤ 75	≤ 75	≤ 75