FR4 epoxy glass sheet manufacturer

Specifications FR4 epoxy glass fiber sheet

1. SGS test report RoHS Certificate

2. Competitive Price,

3. Quality assurance

FR4 EPOXY GLASS    Detailed Product Description     epoxy glass fiber sheet
1.low water absorption
2.high mechanical strength
3. high temperature resistant
4.good electric pr

  epoxy glass fiber sheet
Usage:

(1)Bottom plate of PCB punching and prototyping machine,

(2)Reinforcement plate of testing fixture,

(3)Needle plate

(4)The material of Flexible Printed Circuit Board

(5)Other electronical products

Features:

(1)Low water absorption rate

(2)Hard to be deformed

(3)High mechanical strength,

(4)Good electric performance wether under the moist or dry environment, Flame retardant grade could reach 94-V0,

(5)High temperature resistant,high dielectric performance and mechanical processing performance.      Data sheet:  

Item:	Testing method	Unit	Result
Fire Retardancy Grade:	A	--	94-V0
Flame Resistance:	C-96/20/65	°C	170-180
Voltage Resistance(penetrating)	C-96/20/65 (in 25 °C oil)	KV/mm	18
Voltage Resistance	C-96/20/65 (in 25 °C oil)	KV/mm	12
Arc Resistance	C-96/20/65	S	60-80
Permittivity(1MHZ):	C-96/20/65	--	4.0-5.0
Permittivity(1MHZ):	C-96/20/65 +D-48/50	--	4.5-5.5
Volume resistivity:	C-96/20/65  +C-96/40/95	Ω-cm	5*10^11-10^13
Surface resitance:	C-96/20/65 +C-96/40/90	Ω	5*10^11-10^12
Insulation Resistance:	C-96/20/65 +D-2/100	Ω	10^12-10^13
Conmpressive Strength(Vertical):	A	kg/mm2	29-34
Conmpressive Strength(Horizontal):	A	kg/mm2	19-24
Anti-impact intensity(Parrallellable):	A	kg-cm/cm2	7-9
Bending strength(Horizontal):	A	kg/mm2	40-50
Clevability:	A	kg	850-1000
Adhesive strength:	A	kg	700-900
Compressive strength(Horizontal):	A	kg/mm2	20-24
Water absorption rate:	E-24/50 +D-24/23	%	0.07-0.12