Properties	Product Data						Test Method
	NE-631	NE-641	NE-651	NE-661	NE-671	NE-681
Appearance	Milk-white, translucent,no obvious extraneous matter.						Visual Inspection
Density,  g/cm3	1.07～1.11	1.10～1.14	1.13～1.17	1.16～1.20	1.19～1.23	1.20～1.24	ASTM D792
Hardness,  Shore A	30±2	40±2	50±2	60±2	70±2	80±2	ASTM D2240
Tensile Strength,  MPa       ≥	6.0	6.5	8.0		7.5	7.0	ASTM D412
Elongation at Break,  %      ≥	500	420	320	300	220	180
Tension Set,  %            ≤	5		6		5
Tear Strength,  Die C  kN/m  ≥	14	16	20		18		ASTM D624
Compression Set, 180℃*22h ≤	35	30			25		ASTM D395
Resilience,   %             ≥	65	60	55	50	45		/