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EPPC301 Epoxy Polyester Sheets

EPPC301 Epoxy Polyester Sheets is a tough, low-absorption epoxy-laminated polyester-cloth laminate engineered for electrical insulation and structural components in oil/gas and SF₆ environments. Compact, machinable, and thermally stable to ~130°C.
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Product Details

EPPC301 Epoxy Polyester Sheets
EPPC301 blends an epoxy thermoset matrix with woven polyester cloth to deliver high mechanical strength, reliable dielectric performance in oil at elevated temperatures, and low moisture uptake. It machines readily (saw, mill, drill), resists SF₆ exposure, and is supplied in standard sheet sizes and a wide thickness range for custom parts — making it ideal where electrical insulation and structural load capacity must coexist in compact assemblies.

Product Parameters

Standard
IEC60893
NEMALI-1
DIN 7735
MIL-I-24768
Density
1.20–1.40 g/cm³
Tensile strength
≥ 135 MPa (ISO 527-4)
Flexural strength
≥ 140 MPa (ISO 178)
Thermal index (T.I., thermal endurance)
≥ 130°C
Comparative Tracking Index (CTI)
≥ 380 V

Product Advantages

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High Dielectric Reliability

EPPC301 delivers stable dielectric strength in oil and gas environments, supporting consistent electrical insulation performance under elevated temperatures and long-term service conditions.

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Structural Strength with Low Weight

The polyester-cloth reinforcement provides excellent flexural and tensile strength while maintaining a relatively low density, enabling lighter components without sacrificing mechanical integrity.

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Excellent Machinability and Dimensional Control

Designed for precision machining, EPPC301 allows clean cutting, drilling, and milling with minimal edge chipping, ensuring tight tolerances for complex insulating parts.


Product Applications

FAQ

  • What is the minimum order quantity?
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    The minimum order quantity depends on the specific product you are interested in. For detailed information, please contact us directly via email or WhatsApp.
  • What is the price of this product?
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    The price of our products varies depending on the quantity, size, and specifications. For an accurate quote, please reach out to us via email or WhatsApp, and we'll provide you with the best options tailored to your needs.
  • What is the average delivery time?
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    Delivery times vary based on the quantity and specifications of the order. Typically, delivery can take anywhere from 3 to 30 days. For more precise information, please contact us directly via email or WhatsApp.
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