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FR-4 is also known as fiberglass board; FR4 reinforcing board; FR-4 epoxy resin board; flame retardant insulation board; epoxy board, FR4 light board; epoxy glass cloth board; circuit board drilling pad.

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Product Detail

FR-4 green/yellow/black board is made of imported non-alkali glass fiber cloth impregnated with imported epoxy resin and flame retardant, adhesive, etc. Which by processing under pressure and heat,It’s rigid insulating laminated sheet.

The product has the following characteristics:
1. Rich variety and high accuracy tolerance
2. Excellent flame retardant (UL 94 V-0 Grade)
3. Excellent voltage resistance (electrical strength≥16Kv/mm)
4. Excellent resistance water absorbency (water absorption rate≤0.2%)
5. Excellent heat resistance (Class F)
6. Excellent thermal impact (operating temperature -273 ℃ to +155 ℃)
7. Excellent mechanical strength & Automatic Machining
8, RoHS, Reach certified products

FR-4 Laminates Sheet Technical Date sheet

Item		Test method	Unit	Typical Values
Physical Properties	Color	Visual inspection	--	Light/Green/Yellow
	Specific Gravity	IEC 60893-2:2003	g/cm³	1.90-2.15
	Water absorption	ISO 62:2008	%	<0.3
Electrical Proerties	Electric strenght ┴	IEC 60893-2:2003	KV/mm	≥14(3.0mm)
	Breakdown Voltage //	IEC 60893-2:2003	KV	≥60
	Volume Resistivity	IEC 60893-1980	Ω.m	≥1.0*10¹²
	Surface Resistivity	IEC 60893-1980	Ω	≥1.0*10¹⁴
	(1 MHZ)Dielectric constant	IEC 60893-2:2003	--	4.0-5.5
	(1 MHZ)Dissipation Factor	IEC 60893-2:2003	--	0.04-0.05
	Proof Tracking Index PTI	IEC 60893-2:2003	V	≥200
	Insulation resistance after immersion 24Hrs in Water	IEC 60893-2:2003	Ω	≥5*10¹⁰
Mechanical Properties	Flexural Strength ┴	IEC 60893-2:2003	Mpa	≥340
	Charpy Impact strength //	IEC 60893-2:2003	KJ/m2	≥60
	Tensile Strength	IEC 60893-2:2003	MPa	≥300
	Bond Strength//	IEC 60893-3-4:2003	N	≥8000
	Compressive Strength┴	IEC 60893-2:2003	MPa	≥350
Flame Resistance Properties	Flame resistance	IEC 60893-2:2003	--	V-0
	Temperature Index	IEC 60085:2004	°C	155
	Toxicant Content	E662	--	Low
Others	Acetone Resistance	boiled	Min	30(OK)

Company Profile:

ABOUT US

JY Machinery is one of the leading manufacturers and exporters that undertake the business of high quality laminated insulation materials, with the ability to R&D, production, sales and further processing. The company has passed ISO9001 system standard certifications and has become the experts of the electrical insulation technology solutions, with the professional material background and insulation material processing experience.

Insulating material processing equipment and workshop