heat resistant isolation panels garolite g11 plates fiberglass material properties

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Company Information

Dongguan Chaorong Electronic Products Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 10,000+
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Quick Details

Port: Shenzhen
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 50000 Piece/Pieces per Month
Usage: Computer host/Air conditioner/TV Set Top box
Place of Origin: Guangdong China
Sample: 2-5 days
Size: Customized Size
Color: Yellow/black/light green
Standard: Complying
Model Number: G11 G10 3240 FR4
Feature: OEM Service
Certification: ROHS
Name: epoxy glass fiber sheet
Thickness: 0.2-100mm
Brand Name: Chaorong
Product name: fiberglass material properties
Surface Treatment: Smooth
Technique: CNC
Application: Transformer/ choke inductor
Packaging Detail: Packing and delivery: 1. Sealed packaging 2. Suitable carton size 3. Free delivery 4. Packaging Details: Carton with 30*30*30cm, 30*30*40cm and so on

heat resistant isolation panels garolite g11 plates fiberglass material properties

Product Description
Place of OriginGuangdong, China (Mainland)
SizeStandard size 1020*1220mm or customized sizes
ColorWhite/ Yellow/ Black/ Light Green
Types of materialsEpoxy glass fiber sheet
Flammability ClassUL 94V-0
Temperature resistance150℃
Voltage Resistance18kv/mm
Surface Resistance10^6Ω*cm
Volume Resistivity10^6Ω*cm
Compressive Strength(Vertical)≥350MPA
Compressive Strength≥300MPA
Dielectric Constant(50HZ)≤5.5
Bending Strength≥340kg/mm²
Anti-impact Intensity≥33kg/m²


CharacterHigh merchanical performance under medium temperature, good electrical performance stability under high temperature, resist to acid and alkali, corrosion resistance.
ApplicationChoke, Inductor Coil, Voltage Transformer, Air Conditioner, TV Set-top Box etc.



Note: More sheet size, thickness, color and could be Customize upon request !!

Before inquiry, we would be grateful if we receive the following infomation:


Products Features

FR - 4 Product Features:

  • The flame retardant grade is UL94 V0
  •  F grade Heat resistance and heat resistance (120 min) reaches to 180 ℃
  • High mechanical performances (bending, compression and stretching of transverse strength is above 330Mpa)
  • High dielectric properties of th e oil (25 ℃ in the vertical dielectric strength of 16 kv/mm)
  • We can press, cut and process the sheet according to customer's requirements and provide insulation accessories directly.


Product Application:

  • Motor control, communication equipments
  • Separator between the magnetic ring inductors and the base of the bottom
  • Thermal power devices
  • Also suitable for high voltage transformer and switch cabinet, high temperature, high-power welder even in wet environment
Processing Procedure


NOTE: (1)(2): Enough stock of raw Fr4 epoxy fiberglass board

(3): Cutted into small pieces

(4)(5)(6): CNC router machine programming

(7)(8): OEM products weighted on electronic balance

(9)(10): Products sealed in transparent PE bags

(11)(12): Cartons of Fr4 products ready to be delivered


We are confidents to provide with CUSTOMIZED high quality Epoxy glass fiber Fr4/g10 products by our professional manufacturing team,  manufacturing lines and experienced CNC router operators who have been engaged in this industry for more than 10 years.


Customized shape



1. We have 10 years experiences on processing Epoxy glass fiber sheet (including g10, fr4 and fr1 ), Polycarbonate sheet, PVC sheet and Bakelite sheet.

2. Great passion, rational attitude, advanced equipments and professional engineers enable us to focus on the quality of our products. Quality is ALWAYS OUR PRIORITY.

3. Factory price help our customers save extra money.

4. More kinds of products could be based on customers' drawings/requirements. We await for your inquiry !!



1. Spacer for choke and inductor coil


The epoxy glass fiber sheet serves as an insulation spacer for the upper choke.

The common mode inductance is divided into high voltage ac co-mode and output dc mode. The voltage between the two copper strings determines whether to use the spacer. If the lead string is added and the casing voltage is not high enough, the spacer shall not be added. But considering with the consistency, it is more appropriate to have a insulation spacer in bulk production.       



2. Baseboard for Transformer Bobbin


The functions of transformer’s bobbin are as follows:

(1). To provide with enough space for copper strings twining

(2). To fix the magnetic core that is in the transformer

(3). To support wires twining of the transformer by its wire channels

(4). To serve as a conductive component after it was soldered with tin and connected to PCB sheet

(5). To decide the direction of a transformer by its chamfer



3. Used as washers


(1) Sealing

(2) Increasing friction force

(3) Reducing pressure

(4) Bearing high temperature

G10 gasket.jpg




Company Information

Established in 2009, Donguan Chaorong Electronic Products Co., Ltd, whose mission has always been focusing on providing with customized products, has over 10 years experience on processing epoxy glass fiber sheet, bakelite sheet, polycarbonate sheet, acrylic sheet, PVC sheet and so on


3 years' ISO, SGS certification, one hour’s driving to Shenzhen port, this is how we keep superior quality and competitive offers for global valued customers.


We have not only multiple CNC drilling/milling/engraving machines, but also a set of sound and scientific management system to guarantee high quality products and high efficiency service for our customers.


By adopting ISO9001:2015 as its standard, Chaorong strives hard to improve its own competitive strength and to extend its market. Any visit for inspection of industry or business cooperation is always welcomed.









QAre you a trading company or a manufacturer ?
A: We are manufacturer based on factory.

Q: How long is your delivery time?

A: Generally 7 days if we have stock of the products or it could be 10 days if the goods need to be processed. All depends on products' quantity.

Q: Do you provide free samples? 
A: Yes, we offer free sample but we do not pay the cost of freight.

Q: What are your terms of payment ?
A: 100% payment advance with T/T, West Union, L/C and so on.

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