杜邦POM Delrin 511P 特性及用途：收縮率低，耐燃油，熱穩(wěn)定，成型周期縮短5%~15%，機械性能好，尺寸穩(wěn)定性更好，耐疲勞、耐蠕變、剛性等都優(yōu)于共聚甲醛，適合工程制品，由于結晶度的提高，又降低了薄壁制品產(chǎn)生孔隙的危險，適合于工程零件 齒輪 傳動裝置齒輪 緊固件 電線電纜應用 管道 薄板/板材；流延膜/薄膜等
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POM  511P 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)	7.0	g/10 min	ASTM D1238
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)	15	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)	13.0	cm³/10min	ISO 1133
Molding Shrinkage - Flow (24 hr, 3.20 mm)	1.5 to 1.8	%	ASTM D955
Molding Shrinkage - Across Flow (24 hr, 3.20 mm)	1.6 to 1.9	%	ASTM D955
Molding Shrinkage			ISO 294-4
Across Flow: 2.00 mm	1.7	%
Flow: 2.00 mm	1.8	%
Across Flow: 24 hr, 4.00 mm	1.7 to 2.0	%
Flow: 24 hr, 4.00 mm	1.7 to 2.0	%
Water Absorption (23°C, 24 hr)	0.30	%	ASTM D570
Water Absorption (Saturation, 23°C)	0.90	%	ISO 62
Water Absorption (Equilibrium, 23°C, 50% RH)	0.20	%	ISO 62
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus 2 (23°C)	3380	MPa	ASTM D638
Tensile Modulus (23°C)	3400	MPa	ISO 527-2
Tensile Strength 2 (23°C)	72.0	MPa	ASTM D638
Tensile Strength 2 (Yield, 23°C)	72.0	MPa	ASTM D638
Tensile Stress (Yield, 23°C)	74.0	MPa	ISO 527-2
Tensile Elongation 2 (Yield, 23°C)	11	%	ASTM D638
Tensile Strain (Yield, 23°C)	12	%	ISO 527-2
Tensile Elongation 2 (Break, 23°C)	33	%	ASTM D638
Tensile Strain (Break, 23°C)	35	%	ISO 527-2
Nominal Tensile Strain at Break (23°C)	25	%	ISO 527-2
Tensile Creep Modulus (1 hr)	3000	MPa	ISO 899-1
Tensile Creep Modulus (1000 hr)	1700	MPa	ISO 899-1
Flexural Modulus (23°C)	3300	MPa	ASTM D790
Flexural Modulus (23°C)	3100	MPa	ISO 178
Flexural Strength (5.0% Strain, 23°C)	105	MPa	ASTM D790
Flexural Strength (3.5% Strain, 23°C)	90.0	MPa	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength			ISO 179/1eA
-30°C	7.0	kJ/m²
23°C	8.0	kJ/m²
Charpy Unnotched Impact Strength			ISO 179/1eU
-30°C	220	kJ/m²
23°C	260	kJ/m²
Notched Izod Impact (23°C)	73	J/m	ASTM D256
Notched Izod Impact Strength			ISO 180/1A
-40°C	8.0	kJ/m²
23°C	8.0	kJ/m²
Unnotched Izod Impact (23°C)	No Break		ASTM D4812
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness			ISO 2039-2
M-Scale	92
R-Scale	120