Brand New Breathable Pu Flexible Foam For Sports Equipment Making

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Specification

test item (unit of measurement)	testing method (Parameter Description)	technical requirements (Remarks)	Test Results
Dimensional testing of materials (mm)	QB/T 2709-2005	test result:5.5-4.5	5.04
Hardness measurement	G.B/T 3903.4-2017	32~38	38
density determination(g/cm3)	G.B/T 533-2008	0.14~0.16	0.14
Resilience test (%)	G.B/T 1681-2009	≥30	32
Compression test (%)	HG/T 2876-2009	≤15	10
Shrinkage test (%)	HG/T 2874-1997	≤0.5	L: 0.2 W:0.2
Rubbing color fastness test (lvevl)	G.BT 3920-2008	≥ level 4	Wet and dry 4-5
Martindale friction test (10,000 times)	B-19	wet≥2	wet 2
color migration (level)	C-06	≥4	4
Rectangular tear strength (N/cm)	G.B/T529-2008 B method	≥3	Rectangular tear strength 3.1
Adhesion tests (N/cm)	G.B/T 532-2008	wet≥5 dry≥3	wet 4.4 dry 3.0
Washing test	QB/T2887-2007	Can not be layered with the material, rupture, discoloration can not be lower than level 4	40°C 1.5H-3times
Tensile strength (N/mm2)	G.B/T528-2009	≥0.6 ≥60	tensile strength 0.61 elongation at break 61