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G11 CTI600 Epoxy Glass Laminate Sheet / EPGC306

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Product Spotlights

High mechanical strength
Excellent electrical insulation
F-Class heat resistance (up to 155 °C)
Enhanced tracking resistance (CTI 600)
Good machinability for custom insulation parts
Suitable for high-voltage and F-Class
Negotiable MOQ: 1000 Kilograms (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Glassfiber+Epoxy Resin
Thickness:
5 mm
Color:
Yellow
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Qingdao Yilong Insulation Material Co., Ltd.
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao, Ningbo, Shanghai, Tianjin
Delivery Detail:
30 days

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Material Other, Glassfiber+Epoxy Resin
Thickness 5 mm
Color Yellow
Application Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Medical Equipment, Transportation
Thermal Rating F 155
CTI 600
Transport Package Pallet or Wooden Case
Specification 1020mmx1220mm, 1220mmx2440mm
Trademark YILONG
Origin China

Description

G11 CTI600, EPGC306 is a high-temperature epoxy resin fiberglass laminate made from non-alkali glass fiber cloth and high-Tg epoxy resin. It is manufactured under heat and pressure to form a dense, durable sheet with excellent mechanical strength and stable electrical properties even under high humidity and elevated temperatures.

This material belongs to F-class insulation (155 °C) and demonstrates high compressive strength, good processability, and enhanced tracking resistance (CTI 600). Its performance is similar to EPGC203, making it ideal for high-voltage DC power transmission and distribution equipment, hydro generator insulation, and other F-class electrical insulation components.

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Features

High mechanical strength under normal and elevated temperatures

Excellent electrical insulation in dry, humid, and oil environments

F-Class heat resistance (up to 155 °C)

Enhanced tracking resistance (CTI 600)

Good machinability for custom insulation parts

Suitable for high-voltage and F-Class electrical equipment


Applications

1. Electrical & Power Industry

High-voltage switchgear insulation

High-voltage switches

Transformer and power transmission equipment insulation parts


2. Motor & Machinery Industry

Motor stator end insulation

Rotor end plates and rotor flanges

Slot wedges and wiring boards


3. Electronics & Industrial Equipment

Insulation structural components for electronic devices

High-strength, high-temperature insulation parts in industrial machinery


G11 CTI600 V-0 Epoxy Glass Laminate Sheet / EPGC306
Physical Properties Standard Unit Ref Value Test Value
Density ISO 1183 g/cm3 1.8-2.0 1.8-2.0
Water absorption ( 3mm) ISO 62 mg ≤35 30
Mechanical Properties Standard Unit Ref Value Test Value
Flexural strength ISO 178 MPa ≥340 550
Elastic modulus of bending test ISO 178 MPa ≥22000 25000
Compressive strength perpendicular ISO 604 MPa ≥350 490
Impact strength Charpy or Izod ISO 179/3C kJ/m2 ≥50 85
Shear strength parallel VDE 0318/2 MPa ≥30 55
Tensile strength ISO 527-4 MPa ≥300 450
Electrical Properties Standard Unit Ref Value Test Value
Dielectric strength ⊥1mm at 90 °C in oil IEC 60243-1 kV/mm ≥14.2 21
Breakdown voltage ∥ at 90 °C in oil IEC 60243-1 kV ≥45 85
Permittivity 50 Hz IEC 60250 - ≤5.5 -
Permittivity 1 MHz IEC 60250 - ≤5.5 -
Dissipation factor 50 Hz IEC 60250 - ≤0.04 -
Dissipation factor 1 MHz IEC 60250 - ≤0.04 -
Insulation resistance after 24h in water IEC 60167 MΩ ≥50000 4.8x10^6
Comparative tracking index (CTI) IEC 60112 V ≥600 600
Thermal Properties Standard Unit Ref Value Test Value
Thermal Endurance IEC 60216 T.I. ≤155 155
Flammability IEC60707 Class V-0 V-0


Product Tags: Epoxy Fiberglass Sheet CTI 600 , G11 Sheet CTI 600 , EPGC306 Epoxy Glass Sheet

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Qingdao Yilong Insulation Material Co., Ltd.
Verified Business License
Business Type
Manufacturer
Year Established
1966
Factory Size
Above 100,000 square meters
Annual Export Value
US$10 Million - US$50 Million
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