Categories | GPO3 Fiberglass Sheet |
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MOQ: | 100KG |
Price: | 3-4 USD |
Payment Terms: | L/C, T/T, Western Union |
Supply Ability: | 3600 TONS PER YEAR |
Delivery Time: | 3-5 DAYS |
Packaging Details: | carton and pallet |
material: | polyester resin and glass fiber |
arc resistance: | 184 seconds |
CTI: | 600 |
Fire resistance: | UL 94-V0 |
color: | red and white |
Electrical insulation material with high strength laminate polyester UPGM203 sheet
UPGM203 is also called GPO-3 , it is a glass reinforced thermoset polyester sheet material. GPO-3 with strong, stiff, dimensionally stable and impact resistant properties. The material also has excellent electrical properties including flame, arc, and track resistance. It is widely used for electrical insulating applications. GPO-3 is also used for mechanical applications where strength, stiffness, dimensional stability, and relatively low cost are required.
Like many glass reinforced thermoset sheet materials, GPO-3 is somewhat abrasive on tooling during machining operations.
Feature of this material as below :
a. High mechanical & electrical strength
b. Excellent rigidity & dimensional stability
c. Excellent dielectric properties
d. Very low water absorption
e. Flame resistance ,it meet requirement of UL94-V0
f. Tighter thickness tolerance
g. Flat and straight sheet
h. Smooth and clean surface.
i. Easy to machine by CNC , such as drill holes or grinded .
Hong Cheng Grade | HC-GPO3 | |||
IEC 893 / EN 60893 Grade | UP GM 203 | |||
DIN 7735 Grade | HM 2471 | |||
ANSI (NEMA) Grade NEMA LI-1 | GPO-3 | |||
Items | Test Method | Unit | Typical Values | |
Physical Properties | Color | Visual inspection | ---- | Red/White/Brown/Grey |
Specific Gravity | IEC 60893-2:2003 | g/cm3 | 1.95-2.05 | |
Water absorption | ISO62:2008 | % | ≤0.5 | |
Mechanical properties | Tensile Strength | IEC 60893-2:2003 | Mpa | ≥130 |
Compressive strength | IEC 60893-2:2003 | ≥300 | ||
Flexural Strength | IEC 60893-2:2003 | ≥180 | ||
Impact strength | IEC 60893-2:2003 | KJ/m2 | ≥60 | |
Electrical properties | Volume Resistivity | IEC 60093:1980 | Ω·m | ≥ 1.0 x 1010 |
Surface Resistivity | IEC 60093:1980 | Ω | ≥ 1.0 x 1012 | |
Electric Strength ┴ | IEC 60893-2:2003 | kV/mm | ≥ 12 | |
Breakdown Voltage // | IEC 60893-2:2003 | kV/25mm | ≥ 80 | |
Arc Resistance | IEC 61621:1997 | sec | ≥180 | |
PTI Proof Tracking Index PTI | IEC 60893-2:2003 | --- | ≥600 | |
Dielectric Constant | IEC 60893-2:2003 | --- | 4.0-5.0 | |
tgδ Dissipation Factor | IEC 60893-2:2003 | --- | ≤0.03 | |
Thermal properties | Coefficient of Thermal Expansion | ASTME 228-11 | 1/K | ≤2x10-5 |
Temperature Index | IEC 60085:2004 | ℃ | 155 | |
Flame Resistance performance | Oxygen Index | ISO 4589-2:1996 | %O2 | ≥ 30 |
Flame Resistance | IEC 60893-2:2003 | --- | V-0 | |
Toxicant(Emission halogen etc.) | E662 | --- | Low | |
Other properties | The anti microbial properties of bacteria | G21-G22 | --- | good |
We would like to share application of this material as below :
UPGM203 material (also called GPO-3) laminate sheet performs well in electrical applications that with properties of high arc and carbon track resistance as well as flame resistance, physical strength and moderate heat resistance. GPO-3 materials laminate is used extensively in the making of phase and end barriers, insulating supports, bus bar supports and mounting panels in switch gear and other types of electrical apparatus.
With the development of electrical industry , GPO-3 material will more and more extensively used in it .
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