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Norplex-Micarta RTB320X
- Chemical Family
- Phenols & Phenolics
RTB320X is composed of an extra-fine weave woven cotton fabric combined with a phenolic resin system to produce a tube product that has superior machining capability with smooth, fiber free surfaces. Typical uses include retainers for ball-bearings and applications that require fine machining characteristics. RTB320X also complies with MIL-I-24768/13, Type FBE, ASTM D709 Type II Grade LE and Federal Specification WW-L-2887 and IEC 61212-3-1 PF CC 21.
Properties
- Physical Form
- Tube
Product families
Industrial — Chemical & Industrial Manufacturing
- Equipment & Parts
Other characteristics
- Density
- 1290.0 - 1290.0 kg/m³
- Features
Good Electrical Properties, Good Machinability, Smooth Surface Finish
- Polymer Name
- Phenolic Compound
- Reinforcement Material
- Cotton
- Markets
- Industrial
- Technology
- Composite Materials
- Plastics
- Fillers Included
- Cotton
- Natural Fiber
- Product Families
- Composite Materials — Parts & Shapes
- Plastics — Parts, Shapes & Films
- Quality Standards
- ASTM F2953-12
- IEC PF CC 21
- MIL-I-24768/13 Type FBE
- NEMA LE
- Material Features
- Good Electrical Properties
- Good Machinability
- Smooth Surface Finish
- Plastics and Elastomers End Uses
- Bearings
Technical data
Table 1 of 3
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Specific Gravity (0.75" ID x 1.00" OD) | 1.29 | — | ASTM D792 |
| Rockwell Hardness (0.75" ID x 1.00" OD) | 100 | M Scale | ASTM D785 |
| Moisture Absorption (0.75" ID x 1.00" OD, Condition D1-24/23) | 1.2 | % | ASTM D570 |
| Acetone Extraction (0.75" ID x 1.00" OD, Condition A) | max. 1.0 | % | ASTM F2953-12 |
| Tensile Strength (0.75" ID x 1.00" OD, Condition A) | 10000 | psi | ASTM D638 |
| Compressive Strength (0.75" ID x 1.00" OD, Condition A) | 30000 | psi | ASTM D695 |
| Compressive Modulus (0.75" ID x 1.00" OD, Condition A) | 425 | kpsi | ASTM D695 |
Table 2 of 3
2 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Temperature Index (0.75" ID x 1.00" OD, Electrical / Mechanical) | 125/125 | °C | — |
| Flammability Rating (0.75" ID x 1.00" OD, Condition A) | HB | Class | UL Bulletin 94 |
Table 3 of 3
1 row| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Electric Strength (0.75" ID x 1.00" OD, Condition A) | 190 | Volts/mil | ASTM D149 |
