美國杜邦POM Delrin 900P 特性及用途：良好的尺寸穩(wěn)定性，高剛度，高強度，抗疲勞，有優(yōu)異的加工性，高流動性，低粘度，表面經(jīng)潤滑，適合較多模穴與較不易填充的薄壁制品，如拉鏈，影音等高產(chǎn)量的產(chǎn)品

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POM 900P 物性表：

Physical	Nominal Value	Unit	Test Method
Specific Gravity	1.42	g/cm³	ASTM D792
Density	1.42	g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (190°C/1.05 kg)	11	g/10 min	ASTM D1238
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)	25	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)	21.0	cm³/10min	ISO 1133
Molding Shrinkage - Flow (24 hr, 3.20 mm)	1.6 to 1.9	%	ASTM D955
Molding Shrinkage - Across Flow (24 hr, 3.20 mm)	1.7 to 2.0	%	ASTM D955
Molding Shrinkage			ISO 294-4
Across Flow: 2.00 mm	1.9	%
Flow: 2.00 mm	1.9	%
Water Absorption (23°C, 24 hr)	0.43	%	ASTM D570
Water Absorption (23°C, 24 hr)	0.56	%	ISO 62
Water Absorption (Saturation, 23°C)	1.4	%	ASTM D570
Water Absorption (Saturation, 23°C)	1.4	%	ISO 62
Water Absorption (Equilibrium, 23°C, 50% RH)	0.28	%	ASTM D570
Water Absorption (Equilibrium, 23°C, 50% RH)	0.26	%	ISO 62
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus 3			ASTM D638
-40°C	3930	MPa
23°C	3480	MPa
100°C	930	MPa
Tensile Modulus (23°C)	3300	MPa	ISO 527-2
Tensile Strength 3			ASTM D638
-40°C	97.0	MPa
23°C	69.0	MPa
100°C	31.0	MPa
Tensile Strength 3			ASTM D638
Yield, -40°C	97.0	MPa
Yield, 23°C	69.0	MPa
Yield, 100°C	30.0	MPa
Tensile Stress (Yield, 23°C)	71.0	MPa	ISO 527-2
Tensile Elongation 3			ASTM D638
Yield, -40°C	9.0	%
Yield, 23°C	11	%
Yield, 100°C	9.0	%
Tensile Strain (Yield, 23°C)	12	%	ISO 527-2
Tensile Elongation 3			ASTM D638
Break, -40°C	12	%
Break, 23°C	25	%
Break, 100°C	> 250	%
Tensile Strain (Break, 23°C)	28	%	ISO 527-2/50
Nominal Tensile Strain at Break (23°C)	23	%	ISO 527-2
Tensile Creep Modulus (1 hr)	2800	MPa	ISO 899-1
Tensile Creep Modulus (1000 hr)	1500	MPa	ISO 899-1
Flexural Modulus			ASTM D790
-40°C	4000	MPa
23°C	3240	MPa
100°C	830	MPa