1. GPO3 (NEMA standard) is made from glass mat impregnated with unsaturation polyester resin by processing under heat and pressure, the natural color is typically red which has excellent arc and track resistance.
Unsaturation polyester glass mat laminated sheet is in accordance with GPO3 (NEMA standard)
2.Application:
It can be used as insulation part in motors, arc clapboard in the switches etc.
3. Thermal grade: class F
4. Thickness : 0.5-100mm; Size: 1020x1220mm, 980x1980mm, 1000x2000mm. Color: white,red
5. The other size can be supplied according to customers' requests.
※Products can be supplied sheets or shapes according to customer drawing
※Note: The values noted in above technical specification are given only for our customers’ reference and should not be used in writing specifications.
6. Technical data:
|
Properties |
Unit |
Value |
|
Flexural Strength perpendicular to laminate |
|
|
A: under normal conditions |
≥ |
MPa |
180 |
|
130±5 ℃, 1 hour |
≥ |
90 |
|
Impact Strength parallel to laminations (Charpy) |
≥ |
KJ/m2 |
60 |
|
Bonding strength |
|
N |
3800 |
|
Insulation Resistance (after immersion in water 24 hours) |
≥ |
Ω |
1.0×1012 |
|
Dielectric Strength perpendicular to laminations
(in 90±2℃ transformer oil, 2 mm in thickness) |
≥ |
KV/mm |
12 |
|
Breakdown Voltage parallel to laminations (in 90±2℃ transformer oil) |
≥ |
KV |
42 |
|
Arc resistance |
≥ |
s |
180 |
|
Anti-tracking index |
≥ |
V |
600 |
|
Dissipation Factor(1MHZ, in 23℃ water 24 hours ) |
≤ |
— |
0.06 |
|
Permittivity(1MHZ, in 23℃ water 24 hours ) |
|
|
|
|
Density |
|
g/cm3 |
1.85-2.0 |
|
Heat distortion temperature |
≥ |
℃ |
240 |
|
Barcol |
≥ |
|
50 |
|
Flammability |
|
— |
UL-94VO |
|
Ignition time |
≥ |
S |
75 |
|
Burning Time |
≤ |
S |
85 |
|
Absorption (D-24/23) |
≤ |
|
0.15 |
|
Color |
|
— |
Natural |
|
