Fr4 Copper Clad Laminated Sheet for PCB

Basic Info.

Model NO.	FR4
Production Process	Additive Process
Base Material	Fr4
Insulation Materials	Epoxy Resin
Brand	Hjh
Transport Package	Pallet
Specification	41*49" 37*49 43*49
Trademark	HJH
Origin	China
HS Code	7410211000
Production Capacity	10000000000sheets/Year

Product Description

FR4 Copper Clad Laminate sheet
Properties
Excellent dimension stability and dielectric strength,
Excellent heating resistance and mechanical properties,
UV block and AOI compatible,
Less resin smear in high speed drilling
Applications
Widely used for home appliance, related products for computer, electrical toy, calculator, game machine etc.
Main Technical Characteristics

Items		Unit	Test Conditions	Specification	Typical Value
Weldability		--	A	Yes	Yes
Peel Strength (1oz)		Lbs/In.	A Float 125ºC	8.0	9.5
				7.0	9.0
Flexural Strength	MD	KLbs/In.	A	≥60	75
	CD			≥50	60
Volume Resistivity		MΩ-cm	E-24/125	≥103	105
Surface Resistance		MΩ	E-24/125	≥103	105
Water Absorption		%	E-1/105+Des	≤0.35	0.25
Breakdown Voltage		KV	D-48/50 D-0.5/23	≥35	38
Arc Resistance		Sec	D-48/50 D-0.5/23	≥60	75
Flammability		Sec	A	94V-0	94V-0
Dielectric Constant(1MHz)		--	A	≤5.4	5.0
Loss Tangent (1MHz)		--	A	≤0.035	0.018
Warpage & Twist	Double sides(T≥0.78mm)	%	A A	≤0.7	0.2
	Single side (T≥0.78mm)			≤1.0	0.4
Heat Resistance			At 288ºC, 10 Sec	No Change	No Change
TG		ºC	A	≥125	135

FAQQ: Are you trading company or manufacturer ?
A: Both
Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 5--15days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ?is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ? A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shipment.