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Heat Resistant GPO3 Fiberglass Sheet
,EN45545 GPO3 Fiberglass Sheet
,GPO3 red laminate sheet
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Water AbsorptionLess Than 0.1％
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ColorRed And White
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CTI600
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Arc Resistance184 Seconds
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Raw MaterialGlass Fiber And Polyester Resin
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Place of OriginCHINA
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CertificationUL/ROHS/REACH
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Minimum Order Quantity100KG
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Price3-4 USD
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Packaging Detailscarton and pallet
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Delivery Time3-5 DAYS
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Payment TermsL/C, T/T, Western Union
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Supply Ability6000 TONS PER YEAR
EN45545 heat resistant Red GPO3 Fiberglass Sheet
Made in China GPO-3 laminated material recognized EN45545 and UL
Destripation of GPO-3
GPO-3 also called UPGM203 , different standard of area with different name , but the same raw material . Material composition of it is glass fiber and polyester resin . It is alkali-free fiberglass mat coated with unsaturated polyester resin as the reinforce material , then pressed the sheet under high temperature into rigid sheet as insulation sheet. It has good electrical property under high humidity and high mechanical property under medium temperature , it has been used in so many electrical equipment current . In other way , it has fine fire retardant property and meet UL94-V0 , good arc resistance (arc resistance meet 184 second) and tracking resistance (CTI600) , good arc resistance property means no easy to carbonization when impact by arc , as we know if the material is carbonization , insulating strength has been decreased . so it is the safety material. It's widely used in the low voltage electrical industries such as making of insulating sheet in UPS , top cover and bottom cover in transformer .
Features of GPO-3
1.With very nice Comparative Tracking Index , it meets CTI≥ 600
2.Excellent heat resistance ,temperature meets 155℃
3.Good impact resistance on mechanical and electrical , especially on arc impact .
4. UL recognized
5.Excellent arc resistance ,it can meet 184 second
6.Good machining properties, it can be punched, drilled and cut by CNC .
7. ROHS and REACH certified once a year by the third party .
8.It is fire inflaming retarding material , it meet requirement of UL94 V-0 standard
9.Halogen free material
| 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 |
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| Other properties | The anti microbial properties of bacteria | G21-G22 | ||
Application of GPO-3
Due to very excellent properties of electrical and mechanical , GPO-3 material has been widely used more and more industries , such as :
- Top and bottom cover in transformer
- air gap in electric motor
- insulation support in uninterruptible power supply
- Bus bar in Switchgear
- Insulation washer in low voltage inverter
- Insulating sheet in inverter
- arc extinction in breaker
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