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Pom Sheet


TECHNICAL PROPERTIES FOR POM SHEET

ITEM METHOD UNIT VALUE
Mechanical Properties
Mechanical Properties G41A1C1:C1:G40    
Specific gravity ASTM D792 g/cm3 1.43
Tensile yield strength ASTM D638 Mpa 60
Breaking elongation ASTM D638 % 30
Bending strength ASTM 790 Mpa 100
Flexural modulus ASTM 790 Mpa 2800
Shore hardness ASTM D2240 D 85
Impact strength ASTM D256 J/M 74
Thermal Properties      
Melting point DSC 165
Heat distortion temperature ASTM D648 130
Operating temperature - 100
Maximum operating temperature - 150
Thermal conductivity DIN 52612-1 W/(K-M) 0.31
Coefficient of linear thermal      
expansion ASTM D696 10-5-1/K 13
Electrical Properties      
Dielectric strength ASTM D150 KV-mm 19
Dielectric loss factor ASTM D 150 ­ 0.01
Volume resistivity ASTM D257 Ω.cm 1014
Surface resistivity ASTM D 257 Ω 1016
Dielectric constant ASTM D 149 ­ 3.7
Chemical Properties
Water absorption 23℃ 60%RH %  
Acid resistance 23℃ 60%RH +  
Alkali resistance   +  
Acid and alkali resistance   +  
Resistance to sodium chlorate   0  
Resistance to aromatic      
compounds   +  
Resistance to ketone 23℃ 60%RH   +
Resistance to hot water 23℃ 60%RH   +
Others      
Flammability UL 94   HB
Viscosity      
Non toxic + EEC 90/128 FDA   +
Coefficient of friction DIN53375   0.35
Anti-ultraviolet 0   0


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