杜邦POM Delrin 500AL 特性及用途：舊型號DE9422，具有良好的抗蠕變性和耐磨性 低摩擦 經(jīng)潤滑 中等粘度 可超聲波焊接
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POM 500AL 物性表：

Physical	Nominal Value	Unit	Test Method
Specific Gravity	1.39	g/cm³	ASTM D792
Density	1.39	g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (190°C/1.05 kg)	6.0	g/10 min	ASTM D1238
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)	14	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)	12.0	cm³/10min	ISO 1133
Molding Shrinkage - Flow (24 hr, 3.20 mm)	1.7 to 2.0	%	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	1.7	%
Flow: 2.00 mm	1.8	%
Across Flow: 4.00 mm	1.9	%
Flow: 4.00 mm	1.9	%
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus 3 (23°C)	3170	MPa	ASTM D638
Tensile Modulus (23°C)	3000	MPa	ISO 527-2
Tensile Strength 3 (23°C)	66.0	MPa	ASTM D638
Tensile Strength 3 (Yield, 23°C)	66.0	MPa	ASTM D638
Tensile Stress (Yield, 23°C)	65.0	MPa	ISO 527-2
Tensile Elongation 3 (Yield, 23°C)	10	%	ASTM D638
Tensile Strain (Yield, 23°C)	11	%	ISO 527-2
Tensile Elongation 3 (Break, 23°C)	30	%	ASTM D638
Tensile Strain (Break, 23°C)	35	%	ISO 527-2/50
Nominal Tensile Strain at Break (23°C)	23	%	ISO 527-2
Tensile Creep Modulus (1 hr)	2400	MPa	ISO 899-1
Tensile Creep Modulus (1000 hr)	1600	MPa	ISO 899-1
Flexural Modulus (23°C)	2970	MPa	ASTM D790
Flexural Modulus (23°C)	2800	MPa	ISO 178
Flexural Strength (5.0% Strain, 23°C)	88.0	MPa	ASTM D790
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength			ISO 179/1eA
-30°C	6.0	kJ/m²
23°C	7.0	kJ/m²
Charpy Unnotched Impact Strength			ISO 179/1eU
-30°C	130	kJ/m²
23°C	160	kJ/m²
Notched Izod Impact (23°C)	58	J/m	ASTM D256
Notched Izod Impact Strength			ISO 180/1A
-40°C	5.0	kJ/m²
23°C	6.0	kJ/m²