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Epoxy Glass FR4

(NP130)
 
 
Grade: NP130
Nema Grade: FR4
UL Listed: Yes
  
Epoxy Glass FR4 Picture

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.

NP130 is a woven glass fabric combined with halogenated epoxy resin system. NP130 is produced to printed circuit board quality standards. It is flame retardant, meets UL-94 flammability classification V-0. NP 130 meets the requirements of MIL-I-24768/27, Type GEE-F
 
Technical Data
(Thickness tested: 0.062", 0.125" & 0.5")
 
General Physical Properties
Units
Value
Specific Gravity
-
1.8
Rockwell Hardness (0.062")
M Scale
110
Moisture Absorption (0.062")
%
0.1

Flexural Strength LW
(0.062") CW
ksi
70,000
60,000
Tensile Strength LW
(0.125") CW
Psi
45,000
38,000
Izod impact strength LW (E-48/50 - 0.500")
CW
ft-lb/in
notched
14.0
12.0
Compressive Strength flatwise (0.500")
Psi
55,000
Bonding Strength (0.500")
Lb
2200
Shear Strength (Perpendicular)
Psi
22,000
     
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
12.0
Flammability Rating UL94
Class
V-0
Breakdown Voltage Condition A
(0.062") D-48/50
KV
65
54
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
-
0.03
Arc Resistance (0.125") D-495
Sec
100
Comparative tracking index (0.125") D3638
-
150
Tg
°C
127

* NEMA LI-6: This temperature is a recommendation only and based upon experience in various applications.
The maximum operating temperature is dependent upton the applitcation and should be investigated prior to use.
The information contained in this leaflet has been prepared with care and is accurate to the knowledge of Presspahn Limited. The Company does not accept any liability either in respect of the contents or arising from the use of this information. Typical properties are given in this brochure and these must not be taken as minimum standard values.

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Presspahn Ltd, Wharncliffe Works, Harrogate Road, Bradford, BD2 3TB
Tel: +44 (0) 1274 636333 Fax: +44 (0) 1274 626024
E:Mail:Sales@Presspahn.com