Cem3/Cem1/Fr4 Copper Clad Laminated Sheet

• Structure: Single-Sided Rigid PCB
• Dielectric: FR-4
• Material: Epoxide Woven Glass Fabric Laminate
• Application: Consumer Electronics
• Flame Retardant Properties: V0
• Processing Technology: Electrolytic Foil
• Model NO.: CEM3
• 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	≥10^3	10^5
Surface Resistance		MΩ	E-24/125	≥10^3	10^5
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

 

FAQ
Q: 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.