FR4 Epoxy Resin Sheet

 

Production Description

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FR4 Epoxy Resin Sheet is a popular and versatile high-pressure thermoset plastic laminate grade with good strength to weight ratios. It is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant.

 

Properties

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The advantages of FR4 Epoxy Resin Sheet are anti-corrosion, high temperature resistance, good insulation, high tenacity, good smoothness. It also appears to be stable under humid conditions. This product is widely used in Machinery, electronic, electric, the processing of the insulator as well as the accessories.

1. Test Jig

2. Fixture PCB Testing Jig

3. Insulation Plate

4. Switch insulation Plate

5. Polish Gear

6. Mould in Cloth and Shoes

7. Insulation Part of Bakelite Sheet

8. Lithium Battery Pack

Technical Data for FR4

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NO	TEST ITEMS	UNIT	TEST RESULT	TEST METHOD
1	Bending Strength Perpendicular to Laminations	MPa	571	GB/T 1303.4-2009
2	Compressive Strength Perpendicular to Laminations compressive	MPa	548
3	Parallel Layer Impact Strength (Simply Supported Beam, Gap)	KJ/m²	57.3
4	Tensile Strength	MPa	282
5	Vertical Layer Breakdown Voltage (90℃ + 2℃, 25# transformer oil, 20s step by step boost, φ25mm/φ75mm cylinder electrode system)	kV/mm	16.7
6	Parallel Layer Breakdown Voltage (90℃ + 2℃, 25# transformer oil, 20s step by step boost, φ130mm/φ130mm flat plate electrode system)	kV	＞100
7	Relative Permittivity (50HZ)	-	5.40
8	Dielectric Dissipation Factor (50HZ)		7.2*10-3
9	Insulation Resistance after Soaking	Ω	2.2*1013
10	Density	g/cm3	2.01
11	Water Absorption	mg	5.3
12	Barcol Hardness	-	76	GB/T 3854-2005
13	Flammability	Grade	V-0	GB/T 2408-2008
REMARK: 1. NO.2 the sample height is (5.00~5.04) mm; 2. NO.5 the sample thickness is (2.02~2.06) mm; 3. NO.6 the sample size is (100.50~100.52)mm*(25.10~25.15)mm*(5.02~5.06)mm thickness, The electrode spacing is (25.10~25.15)mm; 4. NO.11 the sample size is (49.86~49.90)mm*(49.60~49.63)mm*(2.53~2.65)mm; 5. NO.13 the sample size is (13.04~13.22)mm*(3.04~3.12)mm thickness.

 

Factory

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J&Q Insulation Material Co., Ltd is a foreign trade company controlled by Hebei JingHong Electronic Technology Co., Ltd., which is responsible for the export business of Hebei JingHong Electronic Technology Co., Ltd. The new factory of Hebei JingHong Electronics Co., Ltd. will be officially put into production in October 2022. Mainly produce FR4 sheet, 3240 epoxy sheet, Bakelite sheet, and 3026 phenolic cotton sheet. The total annual output of the new and old two factories reaches 43,000 tons, which will be the largest insulation board factory in China.

One of our greatest advantage is the orders which are directly from us has the priority to produce first. Also, we have our own logistics company, so it can provide safe and fast service to you. What we are trying to do is providing our customers one-stop service from production to delivery.

Our strength

1. The annual production capacity of the factory is 43,000 tons, which is one of the largest insulation board manufacturers in China

2. Fully automated production workshop, product quality is stable

3. We have more than 20 years of experience in producing and selling insulating sheet, Cooperate with a number of domestic and foreign trading companies for many years.

4. Professional foreign trade team can provide perfect services

5. Have our own logistics company, provide one-stop service

Production Process

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Certification

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Exhibition

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Packaging and Shipping

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Regular packing, Protect by Pallet