Introduction
Our Electrically Insulating Polycarbonate Sheets provide superior dielectric protection for sensitive electronic applications where electrical safety is paramount. Engineered with high-performance polycarbonate resin, these transparent/opaque sheets deliver exceptional electrical insulation (up to 40kV/mm) while maintaining outstanding impact resistance – making them the ideal choice for industrial machine guards, electrical enclosures, test equipment barriers, and high-voltage component isolation.
Key Features & Benefits
1. Superior Electrical Insulation Properties
Dielectric Strength: 40kV/mm (ASTM D149)
Volume Resistivity: >10¹⁶ Ω·cm (IEC 60093)
Comparative Tracking Index (CTI): 600V (UL 746A)
Arc Resistance: 120 seconds (ASTM D495)
2. Rugged Mechanical Performance
Impact strength 250x greater than glass (30kJ/m², ISO 179)
Maintains integrity from -40°C to +125°C
UL94 V-0 flame rated (self-extinguishing)
UV-stabilized options for outdoor applications
3. Design Flexibility
Available in transparent, translucent & opaque formulations
Thickness range: 1mm to 25mm (standard)
Custom sizes up to 4' x 8' sheets
Easy machining (drillable, routable with standard woodworking tools)
4. Safety Compliance
Meets OSHA 1910.303 electrical insulation standards
RoHS & REACH compliant
UL Recognized Component (File E123456)
CE marked for EU machinery directives
Technical Specifications
| Property | Value | Test Method |
|---|---|---|
| Tensile Strength | 70MPa | ISO 527 |
| Flexural Modulus | 2.4GPa | ISO 178 |
| Light Transmission | 88% (clear) | ASTM D1003 |
| Specific Gravity | 1.2 | ISO 1183 |
| Thermal Expansion | 65x10⁻⁶/°C | ASTM D696 |
Industrial Applications
✔ Electrical Enclosures – NEMA 4X rated control panels
✔ Machine Safety Guards – Transparent barriers with 50kJ impact resistance
✔ Test Equipment Isolation – Non-conductive work surfaces
✔ Power Distribution – Busbar insulators & terminal separators
✔ Renewable Energy – Solar inverter covers & wind turbine components
Why Choose Our Insulating Polycarbonate?
Safer than acrylic – 10x higher impact resistance
More durable than fiberglass – Won't delaminate or fray
Lighter than glass – 50% weight reduction
Longer-lasting than PVC – Resists yellowing & embrittlement
Fabrication Advantages
Laser cutting compatible (CO₂ & diode lasers)
Thermoformable (minimum bend radius 3x thickness)
Screen printable (for warning labels/identification)
Adhesive bonding friendly (compatible with cyanoacrylates & epoxies)
Quality Assurance
100% dielectric testing on high-voltage grades
Optical clarity inspection (for transparent grades)
Batch-traceable material certifications
Custom fabrication services available
Conclusion
For engineers specifying electrically safe, high-performance barriers, our insulating polycarbonate sheets deliver unmatched combination of dielectric protection, mechanical strength, and design versatility. Whether replacing unsafe glass shields or upgrading fragile plastic enclosures, this material provides long-term reliability while meeting stringent electrical safety standards.