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Polyply Composites Polyply L-40
- Chemical Family
- Polyesters
Polyply Composites Polyply L-40 is a low cost general purpose flame retardant electrical laminate which meets or exceeds NEMA GPO-2 requirements. All grades of Polyply industrial sheet are produced using polyester resin and fiberglass reinforcement and it is U.L recognized.
Product families
Applications
Electrical & Electronics — Parts & Components
- Housings & Enclosures
Product Families
Composite Materials — Prepregs & Molding Compounds
- Laminates
Other characteristics
- End Uses
- Insulators
- Functions
- Laminate
- Polymer Name
- Polyester (unspecified)
- Reinforcement Material
- Glass Fibers
- Color
- Red
- Markets
- Electrical & Electronics
- Flame Rating
- UL 94 V0
- Technology
- Composite Materials
- Composites End Use
- Insulators
- Material Features
- Cost Effective
- Flame Retardant
- General Purpose
- Good Electrical Properties
- Certifications and Compliance
- UL 94
- Composite Materials Functions
- Laminate
- Reagent Resistance - Panel Cr900 Lot 07-1087,88
- 4 or less occurrences of Level 3 ratings
Technical data
Table 1 of 3
9 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Barcol Hardness | 50 | — | D2583 |
| Compressive Strength | 32000 | psi | D695 |
| Flexural Modules | 1.2 x 10⁶ | psi | D790 |
| Flexural Strength | 22000 | psi | D790 |
| IZOD Impact Strength (Notched) | 8 | ft-lb/in | D256 |
| Shear Strength | 14000 | psi | D732 |
| Specific Gravity | 1.8 | — | D792 |
| Tensile Strength | 9800 | psi | D638 |
| Water Absorption (Weight) | 0.23 | % | D570 |
Table 2 of 3
4 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Coefficient of Thermal Expansion | 2 x 10⁻⁵ | in/in/C | D696 |
| Thermal Conductivity | 1.8 | btu/hr/ft2/in/°F | C177 |
| U.L. Temperature Index (Electrical) | 130 | °C | UL746B |
| U.L. Temperature Index (Mechanical) | 160 | °C | UL746B |
Table 3 of 3
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Comparative Tracking Index | min. 500 | volts | D3638 |
| Dielectric Constant (60Hz) | 4.6 | — | D150 |
| Dielectric Constant (MHz) | 4.5 | — | D150 |
| Dielectric Strength (In Oil) | 415 | volts/mil | D149 |
| Dielectric Strength (Parallel In Oil) | 61 | kV | D149 |
| Dissipation Factor (60Hz) | 0.014 | — | D150 |
| Dissipation Factor (MHz) | 0.012 | — | D150 |
| High Voltage Arc Resistance | min. 200 | sec | D495 |
