POM 500CL the United States DuPont Co property data

①material description specification levels: injection molding grade color: -

Use summary : the need for abrasion of mechanical parts.

Note: the processing characteristics: General grade, but adding chemical lubricants. Product characteristics: the iron material has low friction and low wear rate, all DELRIN are poly formaldehyde resin PV limit the highest rating.

The raw material technical data performance project test conditions [state] test method test data data unit

Basic properties of water content 24 hours impregnated ASTM D-570 0.27%

Water absorbing capacity of 50% relative humidity of ASTM D-570 0.24%

Water absorbing capacity of impregnated equilibrium point ASTM D-570 1%

Physical properties of mold shrinkage of 3.2mm - 1.9-2.2%.

The proportion of ASTM D-792 1.42 - -

Mechanical properties of Rockwell hardness - ASTM D-785 90 M scale

Rockwell hardness - ASTM D-785 120 R scale

Tensile strength of -55℃, ASTM D-638 96 MPa

Tensile strength at 23 ℃ ASTM D-638 66 MPa

Tensile strength at 70 ℃ ASTM D-638 46 MPa

Tensile strength at 100 ℃ ASTM D-638 30 MPa

Tensile strength at 122 ℃ ASTM D-638 23 MPa

Point of rupture tensile deformation -55℃ ASTM D-638 15%

Point of rupture tensile deformation of 23℃ ASTM D-638 50%

Point of rupture tensile deformation of 70℃ ASTM D-638 190%

Point of rupture tensile deformation of 100 ℃ ASTM D-638 >260%.

Point of rupture tensile deformation of 122 ℃ ASTM D-638 >260%.

The coefficient of elasticity of the 23℃ ASTM D-638 3100 MPa

Coefficient of -55℃ ASTM D-790 3790 MPa

Coefficient of 23 ℃ ASTM D-790 2940 MPa

Coefficient of 70 ℃ ASTM D-790 1515 MPa

Coefficient of 100 ℃ ASTM D-790 895 MPa

Coefficient of 122 ℃ ASTM D-790 550 MPa

Flexural strength of 23 ℃ ASTM D-790 90 MPa

Compressive stress at 23 ℃, 1% ASTM D-695 31 MPa deformation

Compressive stress at 23 ℃, 10% ASTM D-695 107 MPa deformation

Shear strength at 23 ℃ for ASTM D-732 66 MPa

Bending fatigue endurance limit 50%RH, 23 ℃, 106 cycles of ASTM D-671 28 MPa

Load deformation 140kg/cm2,50℃ ASTM D-621 0.7%

Tensile impact strength long specimen 23 ℃ ASTM D-1822 206 kj/m2

IZOD impact test notch -40℃ ASTM D-256 64 j/m

IZOD impact test at 23 ℃ ASTM D-256 75 j/m

Electrical properties of dielectric coefficient 50%RH, 23 ℃, 106Hz ASTM 0.006 - D-150

Dielectric strength. Short time (2.3mm ) ASTM D-149 15.8 kv/mm

Volume resistivity of 23 ℃, 0.2% moisture content ASTM D-257 5 ×1014 Ω.Cm

Arc resistance of 3.1mm ASTM D-495 183 sec

Heat of combustion of UL 94 HB can - -

Heat distortion temperature 124℃1.8MPa ASTM D-648

Heat distortion temperature 170℃0.5MPa ASTM D-648

Melting point 175 ℃- ASTM D-2133

Coefficient of linear thermal expansion of -40～ 29 ℃10-5m/m℃ASTM D-696 10.4

Linear thermal expansion coefficient of 60～ 104 ℃10-5m/m℃ASTM D-696 12.2

The average heat capacity of upper and lower range of -18～ 100 ℃- 1.47℃ of KJ/kg

Dielectric constant 50%RH, 23 ℃, 102～ 106HzΩ.Cm ASTM D-150 3.5

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