130 Epoxy Glass G10/FR4/G11

 

Epoxy Glass material offers very high mechanical strength coupled with excellent electrical properies and flame retardance. It can also be known as EP4, 4WEP, B38.

If UL is a requirement please contact us to ensure the correct grade is offered as only NP510A has UL references.

NP510A is a woven glass fabric combined with halogenated epoxy resin system. NP510A is produced to printed circuit board quality standards. It is flame retardant, meets UL-94 flammability classification V-0. NP510A meets the requirements of MIL-I-24768/27, Type GEE-F.

FR4 Technical Data
(Thickness tested: 0.062", 0.125" & 0.5")
 
General Physical Properties
Units
Value
Specific Gravity
-
1.85
Rockwell Hardness (0.062")
M Scale
98
Moisture Absorption (0.062")
%
0.1

Flexural Strength LW
(0.062") CW

Psi
65,000
52,000
Tensile Strength LW
(0.125") CW
Psi
40,000
32,000
Izod impact strength LW (E-48/50 - 0.500")
CW
ft-lb/in
notched
7.9
7.3
Compressive Strength flatwise (0.500")
Psi
66,000
Bonding Strength (0.500")
Lb
2300
Shear Strength (Perpendicular)
Psi
21,500
   
Thermal & Electrical Properties
Units
Value
Temperature Index (Electrical / Mechanical)
°C
130 / 140*
Coefficient of thermal expansion X-axis
(0.062") Y-axis
"/"/°Cx10-6
10.0
13.0
Flammability Rating UL94
Class
V-0
Breakdown Voltage Condition A
(0.062") D-48/50
KV
66
65
Electric Strength Condition A
(0.062") D-48/50
V/mil
800
750
Permittivity (0.062") Condition D-24/23
-
4.8
Dissipation Factor (0.062") Condition D-24/23
-
0.032
Arc Resistance (0.125") D-495
Sec
130
Comparative tracking index (0.125") D3638
-
300
Tg
°C
130

 

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