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Specialty Compounds RTP Company

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RTP Company RTP 842 Acetal (POM); Mineral
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Mineral Filled

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.47 g/ccASTM D 792
Additive Loading 10 %Primary Additive
Linear Mold Shrinkage 0.015 - 0.025 cm/cm
@Thickness 3.20 mm
ASTM D 955
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 7750 psiASTM D 638
Elongation at Break >= 10 %ASTM D 638
Tensile Modulus 460 ksiASTM D 638
Flexural Strength 11500 psiASTM D 790
Flexural Modulus 400 ksiASTM D 790
Izod Impact, Notched 1.20 ft-lb/in
@Thickness 3.20 mm
ASTM D 256
Izod Impact, Unnotched 20.0 ft-lb/in
@Thickness 3.20 mm
ASTM D 4812
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cmASTM D 257
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 1.8 MPa (264 psi) 240 °FASTM D 648
Flammability, UL94 HB
@Thickness 1.50 mm
UL 94
 
Processing PropertiesOriginal ValueComments
Melt Temperature 360 - 425 °F
Mold Temperature 175 - 225 °F
Drying Temperature 250 °F
@Time 7200 sec
Moisture Content 0.15 %
Dew Point -25.0 °F
Injection Pressure 10000 - 15000 psi

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PQZUA6178 / 134900

Specialty Compounds RTP Company

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