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FR5 Fiberglass Sheet UL94 V-0 / EPGC204 Sheet

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Product Spotlights

High dielectric strength and excellent electrical insulation
Outstanding thermal resistance for high-temperature applications
Superior mechanical strength and dimensional stability
Flame-retardant and self-extinguishing performance
Good resistance to chemicals, moisture, and solvents
Negotiable MOQ: 500 Kilograms (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Glassfiber+Epoxy Resin
Thickness:
15 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 15 mm
Color Yellow
Application Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Medical Equipment, Transportation
Thermal Rating F 155
Flammability UL94 V-0 / V-1
Transport Package Pallet or Wooden Case
Specification 1020mmx1220mm, 1220mmx2440mm
Trademark YILONG
Origin China

Description

FR5 Sheet is a high-TG, high-TD epoxy laminate manufactured under high temperature and high pressure using special electronic-grade fiberglass cloth impregnated with epoxy phenolic resin. It features excellent mechanical strength, stable dielectric performance, and superior insulation properties, along with outstanding heat resistance, moisture resistance, and good machinability.

FR5 sheets are widely used for insulation structural components and PCB testing fixtures in motors and electrical equipment. Thanks to their reliable performance in harsh environments, they are also suitable for applications in humid conditions and transformer oil.


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Features

High dielectric strength and excellent electrical insulation

Outstanding thermal resistance for high-temperature applications

Superior mechanical strength and dimensional stability

Flame-retardant and self-extinguishing performance

Good resistance to chemicals, moisture, and solvents


Applications

Electronics & PCB Industry

High-performance PCB substrate for electronic circuits

PCB testing fixtures and support plates


Electrical & Power Industry

Insulating washers, spacers, and bushings for electrical assemblies

Insulation barriers and mounting plates in switchgear

Control panel insulation panels and operator interface plates

Transformer insulation sheets and barrier materials


Motor & Machinery Industry

Insulation for motor and generator windings, coils, and stator components

Insulating structural parts for industrial motors and generators


Industrial Equipment & Automation

Insulating parts for power distribution systems and industrial control units

Electrical insulation components in industrial machinery


Electronics Enclosures & Housing

Electronic enclosures and housings for protection and insulation of modules

Insulating support structures for electronic assemblies


FR5 Fiberglass Sheet / EPGC204 Sheet
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 ≥340 540
Elastic modulus of bending test ISO 178 MPa ≥22000 25000
Compressive strength perpendicular ISO 604 MPa ≥350 560
Impact strength Charpy or Izod ISO 179/3C kJ/m2 ≥50 90
Shear strength parallel VDE 0318/2 MPa ≥30 55
Tensile strength ISO 527-4 MPa ≥300 430
Electrical Properties Standard Unit Ref Value Test Value
Dielectric strength ⊥1mm at 90 °C in oil IEC 60243-1 kV/mm ≥14.2 14.5
Breakdown voltage ∥ at 90 °C in oil IEC 60243-1 kV ≥45 60
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 3x10^7
Comparative tracking index (CTI) IEC 60112 V ≥200 210
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: FR5 Fiberglass Sheet UL94 V-0 , EPGC204 Epoxy Glass Sheet , Fire Resistant FR5 Fiberglass Epoxy Board

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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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