Grade:
GPO 3

Colour: 
Sheets are supplied in Red/White

Thickness:
0.80mm to 25.40mm

Size:
Standard sheet size is 1220mm x 2440 mm

Description:
Resistance Laminate is a material-filled, continuous strand fibre-glass mat reinforced thermoset unsaturated polyester material. It has been expressly developed to meet the arc, track, and flame resistance requirements of the National Electric Manufacturers Association (NEMA) GPO 3 industrial laminate specification (L1-1)

General information Unit ASTM/UL Mpa
MECHANICAL
NEMA Grade —-
Tensile Strength Psi D638 7,800 53.77
Tensile Modulus Psi x106 D638 1.7 11,721
Flexural Strength Psi D790 22,100 152.37
Flexural Strength-Hot Psi D790 13,100 90.32
Test Temperature ºC D790 130
Compressive Strength Psi D695 33,100 228.21
Shear Strength Psi D732 11,600 79.97
IZOD Impact Strength (notch) Ft.Ib./in D256 8.9
Water Absorption % by wt. D570 0.4
Specific Gravity ——- D792 1.81
ELECTRICAL
Electrical Strength-perpendicular S/T in air Vpm D149 450
Electrical Strength-perpendicular S/T in oil Vpm D149 584
Electrical Strength-parallel S/S in oil Kv D149 47
Arc Resistance Sec D495 180
Inclined Plane Track Resistance Min D2304 685+
IEC Track Resistance V UL746A 500+
UL High Voltage Track Rate In./Min UL746A 0
Permittivity 60 Hz ——- D150 4.1
Dissipation Factor 60Hz ——- D150 0.013
Permittivity MHz ——- D150 4.1
Dissipation Factor MHz ——- D150 0.010
Insulation Resistance Ohm x 1012 D257 3.1
FLAME RESISTANCE
UL Subject 94 ——- UL 94 1/16″ and below HB Over 1/16/”VO
Oxygen Index % O2 D2863 35
Ignition Time Min ——- 85
Burn Time Min ——- 49
THERMAL
Coefficient of thermal expansion In/In/ºC x 10-5 D696 2
Thermal Conductivity BTU/Hr/Ft2/In/ºF C177 1.9
UL Temperature Index
>Electrical ºC UL746B 130
>Mechanical ºC UL746B 160
UL Recognition File Number ——- ——- E81928

The information in this data sheets gives general characteristics of the material. Whilst all possible care has been taken to ensure this information is correct the manufacturer cannot accept any liability nor is any liability on the part of the manufacturer or supplier to be implied as a result of the data given as conditions and methods of use are beyond our control. The user must confirm suitability for the application prior to commercial use.

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