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Norplex-Micarta RT342

Chemical Family
Phenols & Phenolics

Fine weave canvas phenolic material with fabric construction weight intermediate to RT310 and RTB320. RT342 is designed for better machining than grade RT310 and lower cost than RTB320. It also complies with MIL-I-24768/16, Type FBM and ASTM D709 Type II Grade C.

Properties

Physical Form
Tube

Product families

Automotive & Transportation — Automotive
  • Chassis & Brake
Building & Construction — Building Materials
  • Structural Components
Industrial — Chemical & Industrial Manufacturing
  • Equipment & Parts

Other characteristics

Density
1300.0 - 1300.0 kg/m³
Features

Bearing Grade, Cost Effective, Good Electrical Properties, Good Machinability

Polymer Name
Phenolic Compound
Reinforcement Material
Cotton
Markets
  • Automotive & Transportation
  • Building & Construction
  • Industrial
Technology
  • Composite Materials
  • Plastics
Fillers Included
  • Cotton
  • Natural Fiber
Product Families
  • Composite Materials — Parts & Shapes
  • Plastics — Parts, Shapes & Films
Quality Standards
  • IEC PF CC 22
  • MIL-I-24768/16 Type FBM
  • NEMA C
Composites End Use
  • Gaskets
  • Structural Parts
  • Washer
  • Wheels
Material Features
  • Bearing Grade
  • Cost Effective
  • Good Electrical Properties
  • Good Machinability
Plastics and Elastomers End Uses
  • Bearings
  • Flanges
  • Gaskets
  • O Rings
  • Thrust Washer

Technical data

Table 1 of 3

6 rows
CharacteristicValueUnitMethod
Specific Gravity (0.75" ID x 1.00" OD)1.3—ASTM D792
Rockwell Hardness (0.75" ID x 1.00" OD)100M ScaleASTM D785
Moisture Absorption (0.75" ID x 1.00" OD, Condition D1-24/23)1.8%ASTM D570
Tensile Strength (0.75" ID x 1.00" OD, Condition A)7500psiASTM D638
Compressive Strength (0.75" ID x 1.00" OD, Condition A)26000psiASTM D695
Compressive Modulus (0.75" ID x 1.00" OD, Condition A)320kpsiASTM D695

Table 2 of 3

2 rows
CharacteristicValueUnitMethod
Temperature Index (0.75" ID x 1.00" OD, Electrical / Mechanical)130/130°C—
Flammability Rating (0.75" ID x 1.00" OD, Condition A)HBClassUL Bulletin 94

Table 3 of 3

1 row
CharacteristicValueUnitMethod
Electric Strength (0.75" ID x 1.00" OD, Condition A)190Volts/milASTM D149

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