GENERAL PROPERTIES ASTM or UL Test POMALUX SD-A
PHYSICAL
Specific Gravity (g/cm3) D792 1.33
Water Absorption, 24 hrs (%) D570 2.5
MECHANICAL
Tensile Strength (psi) D638 6,600
Tensile Elongation at Yield (%) D638 45
Flexural Strength (psi) D790 7,000
Flexural Modulus (psi) D790 210,000
IZOD Notched Impact (ft-lb/in) D256 2
IZOD Un-Notched Impact (ft-lb/in) D256 No Break
Hardness, Shore D D2240 70
THERMAL
Coeff. of Thermal Expansion (x 10-5 in./in./°F) D696 6.5
Heat Deflection Temp (°F / °C) @ 264 psi D648 141 / 61
Thermal Conductivity (BTU-in/ft2-hr-°F) C177 2.1
Flammability Rating @ .030” UL-94 HB
ELECTRICAL
Surface Resistivity (ohms/sq) D257 107 - 109
Static Decay, 15% RH (seconds) MIL-B-81705-B –
POM聚甲醛 POMALUX SD-A防静电材料 DELRIN均聚甲醛 DELRIN AF合金聚甲醛 ESD225防静电材料 ESD PMMA防静电有机玻璃 ACETRON GP缩共聚甲醛 PEEK聚醚醚酮
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