三井化学超高分子量聚乙烯（UHMW-PE） L3000

物性表

Physical properties	Unit	Test Method	LUBMER ™
			L3000	L4000	L5000	L4420	L4640	TM-80B	L8100-R2	LS4140
			PE base	PE base	PE base	PE base Special fillers	PE base Special fillers	PE base Carbon black	PE base	Nylon base
MFR(190℃,10kgf)	g/10min	MPC Method	15	6	2	5	7	11	25	14
Density	g/cm³	ASTM D1505	969	967	966	1030	1105	971	963	1095
Strength at tensile yield point	MPa	SO527-1/2(50mm/min)	35	37	48	33	50	35	24	65
Tensile strength at break	MPa	SO527-1/2(50mm/min)	25	30	40	32	40	25	15	45
Tensile elongation at break	%	SO527-1/2(50mm/min)	10	10	10	32	10	10	290	30
Tensile elasticity	MPa	ISO527-1/2(1mm/min)	1450	1480	1580	1840	1650	1500	992	2700
Flexural strength	MPa	ISO178	38	40	45	40	50	40	24	90
Bend elasticity	MPa	ISO178	1700	1740	1900	2160	2400	1700	960	2430
Charpy impact strength(with notch)	kJ/m²	ISO179	23	27	29	18	25	9	11	6
Heat Distortion Temperature(0.45MPa)	℃	ISO527-1/2	80	80	80	90	90	86	69	110
Heat Distortion Temperature(1.8MPa)	℃	ISO527-1/2	50	50	50	60	60	55	48	70
Coefficient of expansion(-30~120℃)	×10-4℃	ISO11359-1/2	1.8	1.9	1.9	1.9	1.8	2.0	–	1
Dynamic Friction Coefficient	一	MPC Method*¹	0.17	0.15	0.12	0.2	0.2	0.17	0.15	0.23
Abrasion Loss	10-³mm³/kg ·km	MPC Method*¹	85	70	50	58	200	85	1500	110
Critical PVValue	MPa ·m/min	MPC Method*2	>30	>30	>30	>30	>30	>30	–	>30
1:平均分子量=5.37104[η]1.37*2:退火90℃×30分钟。

聚乙烯分类

GenericTerm	Low Density Polyethylene (LDPE)	Linear Low-Density Polyethylene	High-Density Polyethylene	Ultra-high Molecular Weight Polyethylene
GenericTerm	LDPE	LLDPE	HDPE	UHMW-PE
Density[kg/m³]	910-930	910-930	940	940
Melting Point[℃]	105-110	110-125	125-137	135-140
Transparency	High			Low
Flexural Modules[MPa]	Approx.10²	10²—10³	≥10³
Molecular Structure	Branched structure with many long side chains	Linear chain structure with many side chains	Linear chain structure with few short side chains	Long linear chain structure with no side chains
Examples of Use	·Packaging materials ·Agricultural film ·Electric wire coating	·Films ·Laminates	·Containers ·Detergent containers · Industrial films	·LiB separators ·Gears and valves ·High-strength fibers

与一些耐磨材料对比

Item		Unit	Test Method	UHMW-PE	Polyamide (PA66)	Polycarbonate (PC)	Polyacetal (POM)	Fluoro polymers
Physical Properties	Density	kg/m³	ASTM D1505	930～935	1100	1200	1400	2200
Mechanical Properties	Tensile Strength at Break	MPa	ASTM D638	39～41	78	60	69	27～34
	Elongation at Break	%	ATSMD638	260～350	90～110	140	50	200～400
	Flexural Modules	MPa	ATSM D790	390～590	2850	2260	2850	490
	lzod Impact Strength(with notch)	kJ/m²	ATSM D 256	55～80	5	88	7~13	16
	Rockwell Hardness	R scale	ASRMD785	40	119	77	120	50～65
	Dynamic Friction Coefficient(SUS304,6S)	一	ATSM D1894	0.2	0.4	一	0.4	0.2
Abrasion characteristics	Taper Abrasion	mm³	ATSM D1044	<10	175	280	210	250
Abrasion characteristics	Sand Abrasion(1600rpm,3h)	mg	MPC Method	3	50	一	70	95
Thermal Characteristics	Melting Point	℃	ATSMD3418	136	225	240	166	一
	Heat Distortion Temperature(0.45MPa)	℃	ATSMD648	75	220	145	170	121
	Coefficient of Expansion	×10-4/K	ATSM D696	1.5	0.8～1.0	0.7	1.0	1.0
	Thermal Conductivity	W/(m ·k)	ATSM D177	0.4	0.24	0.21	0.23	0.25
Electrical Characteristics	Volume Resistivity	Ω ·m	ATSMD 257	1015~16	1015	1016	1015	>10¹6
	Dielectric Breakdown Voltage	kV/mm	ATSM D149	50	18	30	20	30～35
	Dielectric Constant	一	ATSM D150	2.3	3.3	2.95	3.7	>2.1
	Dielectric Loss Tangent	×10-⁴	ATSM D150	2~3	200	90	50	<1
Other	Water Absorption(23℃ in water,24h)	%	ATSMD570	<0.01	1.2	0.20	0.25	<0.02

（以上参数所列值为典型值，非保证值）

UHMW聚乙烯表现出优于其他树脂的特性。

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可提供的资料：

物性表（TDS）、COA（出厂检测报告）、SDS

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