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Polyram RamTal PM8427 Acetal, Impact modified

Category Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Impact Modified
Manufacturer Polyram
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Polyram RamTal PM8427 Acetal, Impact modified.pdf
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Material Notes:
Impact modified polyacetal for injection molding applicationsInformation provided by Polyram Ram On Ind.
Physical Properties Metric English Comments
Density 1.38 g/cc
0.0499 lb/in³
DIN 53479
Water Absorption 0.20 %
0.20 %
DIN 53495
Linear Mold Shrinkage 0.020 - 0.023 cm/cm
0.020 - 0.023 in/in
Melt Flow 9.0 g/10 min

@Load 2.16 kg,
Temperature 190 °C
 9.0 g/10 min

@Load 4.76 lb,
Temperature 374 °F
 ISO 1133
Mechanical Properties Metric English Comments
Hardness, Rockwell R 77
77
ASTM-D785
Tensile Strength, Yield 40.0 MPa
5800 psi
ASTM-D638
Elongation at Break 70 %
70 %
ASTM-D638
Flexural Strength 60.0 MPa
8700 psi
ASTM-D790
Flexural Modulus 2.10 GPa
305 ksi
ASTM-D790
Izod Impact, Notched 0.900 J/cm

@Temperature 23.0 °C
 1.69 ft-lb/in

@Temperature 73.4 °F
 ASTM-D256
Thermal Properties Metric English Comments
Melting Point 165 °C
329 °F
Deflection Temperature at 0.46 MPa (66 psi) 145 °C
293 °F
DIN 53461
Deflection Temperature at 1.8 MPa (264 psi) 85.0 °C
185 °F
DIN 53461
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+13 ohm-cm
1.00e+13 ohm-cm
DIN 53482
Surface Resistance 1.00e+12 ohm
1.00e+12 ohm
DIN 53482
Dielectric Constant 4.2

@Frequency 1e+6 Hz
 4.2

@Frequency 1e+6 Hz
 VDE 0303/4
Dielectric Strength 24.0 kV/mm
610 kV/in
VDE 0303/4
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