Home » G3 Epoxy Fiberglass Laminate Sheet

G3 Epoxy Fiberglass Laminate Sheet

Specification Overview
Name G3 Epoxy Fiberglass Laminate Sheet
Base Material Epoxy resin + Fiber glass
Color Green\yellow\red\black\white,etc     (Color can be customized according to customer requirements)
Thickness 0.1mm – 300mm       ( More than 300mm can be produced according to product requirements)
Dimensions Regular size are 1020x1220mm,1020x2040mm,1220x2440mm;     Special size, we can produce and cut according to customer’s requirements.
Density 1.97g/cm3 – 2.2 g/cm3
OEM Accepted
Contact Us

Product Introduction

G3 Epoxy Fiberglass Laminate Sheet is a kind of laminated sheet formed through heat pressing after the electric industry fiberglass cloth dips into epoxy resin.Suitable as the mechanical, electric and electronic insulation structural components which are used under homoeothermy and middle temperatures with a certain mechanical performance and electric performance.

Applications: Inverters, motors, motors, electronic appliances, aluminum batteries, new energy, electrical equipment isolation and support, distribution boxes, fixture boards, mold splints, high and low voltage wiring boxes, packaging machines, combs, mechanical molds , Forming machine, drilling machine, table polishing pad, insulating frame, insulating coil frame, transformer frame, etc.

Product Photograph

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Main Specifications

Indicator Name Unit Indicator Value
Density g/ cm³ 1 . 8 – 2 . 0
Water Absorption % ≤ 0 . 5
Vertical layer bending strength MPa ≥ 340
Vertical layer compression strength MPa ≥ 350
Parallel layer impact strength (simple beam method notch) K J/ m² ≥ 33
Parallel layer direction impact strength (cantilever beam method) K J/ m² ≥ 340
Parallel layer shear strength MPa ≥ 30
Tensile Strength MPa ≥ 200
Vertical layer direction electric strength (90 ℃± 2 ℃ in oil) 1mm KV/ mm ≥ 14.2
2mm ≥ 11.8
3mm ≥ 10.2
Parallel layer direction breakdown voltage (90 ℃± 2 ℃ in oil) KV ≥ 350
Dielectric loss factor (50 Hz) ≤ 0 . 04
Insulation resistance Normality ≥ 5 . 0 × 101 0
After immersed in water for 24 h ≥ 5 . 0 × 101 0


Q1:  Samples
We can send you free sample,but you need to pay for the shipping charge.

Q2: How about the quality of mass production ?
Our warehouse staff will keep another sample the same as you received.the production process will be under your requirement.please rest assured about the quality.

Q3: Delivery time
It depends on order quantity.Generally speaking, the delivery time will be within 7 to 15 days.

Q4: Package
We will use professional craft paper to package on plywood pallet.if you have special package requirements, we will pack as your need.

Q5: Payment
We accept T/T,L/C,Western Union,Paypal , etc.


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