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Norplex-Micarta RT505

RT505 has good electrical properties under humid conditions and has excellent arc resistance. Typical applications include fuse tubes and naval switchboard insulation. RT505 also complies with MIL-I-24768/8, Type GMG and ASTM D709 Type IV Grade G-5.

Polymer Name: Melamine Formaldehyde (MF)

Reinforcement Material: Glass Fibers

Physical Form: Tube

Density: 1880.0 - 1880.0 kg/m³

Features: Arc Resistant, Good Electrical Properties

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Features & Benefits

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Plastics & Elastomers End Uses

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (0.75" ID x 1.00" OD)1.88ASTM D792
Rockwell Hardness (0.75" ID x 1.00" OD)120M ScaleASTM D785
Moisture Absorption (0.75" ID x 1.00" OD, Condition D1-24/23)0.8%ASTM D570
Tensile Strength (0.75" ID x 1.00" OD, Condition A)27000psiASTM D638
Compressive Strength (0.75" ID x 1.00" OD, Condition A)26500psiASTM D695
Compressive Modulus (0.75" ID x 1.00" OD, Condition A)1000kpsiASTM D695
Thermal Properties
ValueUnitsTest Method / Conditions
Temperature Index (0.75" ID x 1.00" OD)150/150°C
Flammability Rating (0.75" ID x 1.00" OD, Condition A)V-0ClassUL Bulletin 94
Electrical Properties
ValueUnitsTest Method / Conditions
Electric Strength (0.75" ID x 1.00" OD, Condition A)315Volts/milASTM D149
Electric Strength (0.75" ID x 1.00" OD, Condition D-48/50)315Volts/milASTM D149

Regulatory & Compliance