Norplex-Micarta MC320LE
- Chemical Family
- Phenols & Phenolics
Grade MC320LE is a fine weave bleached cotton phenolic composite that has excellent machining characteristics and low moisture absorption. Applications include marine applications, terminal boards and parts requiring medium strength and excellent electrical characteristics. MC320LE meets or exceeds the requirements of MIL-I-24768/13 and ASMT F2953-12 Type FB. Certification to IEC standard is pending.
Properties
- Physical Form
- Sheets
Product families
- Equipment & Parts
- Terminal Blocks Plugs & Sockets
- Marine
Other characteristics
- Density
- 1380.0 - 1380.0 kg/m³
- Features
Bearing Grade, Good Electrical Properties, Good Machinability, Low Moisture Absorption, Medium Strength, Wear Resistant
- Polymer Name
- Phenolic Compound
- Reinforcement Material
- Cotton
- Note
This temperature is a recommendation only, and based upon experience in various applications. The maximum operating temperature is dependent upon the application and should be investigated prior to use.; *t₁= Thickness tested at 0.0625 inch; *t₂= Thickness tested at 0.125 inch; *t₃= Thickness tested at 0.500 inch
- Markets
- Automotive & Transportation
- Electrical & Electronics
- Industrial
- Technology
- Composite Materials
- Plastics
- Fillers Included
- Cotton
- Product Families
- Composite Materials — Parts & Shapes
- Plastics — Parts, Shapes & Films
- Quality Standards
- ASTM F2953-12
- IEC PF CC 204
- MIL-I-24768/13 Type FBE
- NEMA LE
- Composites End Use
- Marine Applications
- Terminal Blocks
- Material Features
- Bearing Grade
- Good Electrical Properties
- Good Machinability
- Low Moisture Absorption
- Medium Strength
- Wear Resistant
Technical data
Table 1 of 3
11 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Bonding Strength (Condition A, *t₃) | 771.1 | kg | ASTM D229 |
| Compressive Strength (Condition A, Flatwise, *t₂) | 262 | Mpa | ASTM D695 |
| Flexural Strength (Conditon A, Lengthwise, *t₂) | 165.5 | Mpa | ASTM D790 |
| Izod Impact Strength (Condition E-48/50, Crosswise, *t₃) | 0.91 | J/cm | ASTM D256 |
| Izod Impact Strength (Condition E-48/50, Lengthwise,*t₃) | 1.07 | J/cm | ASTM D256 |
| Moisture Absorption (Condition A, *t₂) | 0.87 | % | ASTM D570 |
| Rockwell Hardness (0.250" Build-up, *t₁) | 102 | M Scale | ASTM D785 |
| Rockwell Hardness (0.250" Build-up, *t₂) | 102 | M Scale | ASTM D785 |
| Shear Strength (Condition A, Perpendicular, *t₂) | 96.5 | Mpa | ASTM D732 |
| Specific Gravity (*t₃) | 1.38 | — | ASTM D792 |
| Tensile Strength (Conditon A, Lengthwise, *t₂) | 129.6 | Mpa | ASTM D638 |
Table 2 of 3
3 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Flammability Rating (Condition A, *t₁) | V-0 | Class | UL Bulletin 94 |
| Temperature Index¹ (Electrical, *t₁, *t₂, *t₃) | 115 | °C | UL Bulletin 746b |
| Temperature Index¹ (Mechanical, *t₁, *t₂, *t₃) | 125 | °C | UL Bulletin 746b |
Table 3 of 3
4 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Arc Resistance (Condition A, *t₂) | 130 | s | ASTM D495 |
| Breakdown Voltage (Condition A, *t₁) | 70 x10³ | V | ASTM D149 |
| Dissipation Factor (Condition A, at 1 MHz, *t₁) | 0.044 | — | — |
| Relative Permittivity (Condition A, at 1 MHz, *t₁) | 5.3 | — | — |
