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180S Arc Resistance GPO3 UPGM203 Fiberglass Insulation Sheet

Categories GPO3 Fiberglass Sheet
MOQ: 100kg
Price: 3USD/KG
Payment Terms: L/C, T/T, Western Union
Supply Ability: 300000KG/Month
Delivery Time: 3-5days
Packaging Details: pallet/cartons
Arc resistance: 180 second
CTI: 600
Color: red and white
Size: 2100x1230mm/1200x1000mm
Thickness range: 0.5-60mm
Temperature index: F class
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180S Arc Resistance GPO3 UPGM203 Fiberglass Insulation Sheet

Insulation material GPO-3(UPGM203) meet ROHS/REACH and with certificate of UL


GPO3 fiberglass reinforced polyester sheet, known as UPGM203,are manufactured using polyester resin and fiberglass mat under high temperature.

GPO-3 fiberglass reinforced polyester sheet perform well in electrical application that require high arc and track resistance ,as well as flame resistance,physical strength and high heat resistance.

All our UP GM 203 fiberglass reinforced polyester sheet products are UL recognized , we are the GPO-3 material manufacturer in China , this material has been supplying to many end user who is top500 and industry leader corporation .

Thickness tolerance will be better than IEC , even if the thickness tolerance must be met ±0.2mm by 20mm , we can do it by low production cost .

Feature of GPO3


It has nice properties on fire resistance , according to certificated by UL , it meets UL94-V0;

It has nice electrical properties , it meets CTI600

GPO-3 sheet can be easily machined by CNC

It has property on arc resistance , the test value is more than 180 seconds

It is the green product and have already passed the recognized by RoHs and Reach.

It is the customized products can be machined as per client’s drawings

Hong Cheng GradeHC-GPO3
IEC 893 / EN 60893 GradeUP GM 203
DIN 7735 GradeHM 2471
ANSI (NEMA) Grade NEMA LI-1GPO-3
ItemsTest MethodUnitTypical Values
Physical PropertiesColorVisual inspection----Red/White/Brown/Grey
Specific GravityIEC 60893-2:2003g/cm31.95-2.05
Water absorptionISO62:2008%≤0.5
Mechanical propertiesTensile StrengthIEC 60893-2:2003Mpa≥130
Compressive strengthIEC 60893-2:2003≥300
Flexural StrengthIEC 60893-2:2003≥180
Impact strengthIEC 60893-2:2003KJ/m2≥60
Electrical propertiesVolume ResistivityIEC 60093:1980Ω·m≥ 1.0 x 1010
Surface ResistivityIEC 60093:1980Ω≥ 1.0 x 1012
Electric Strength ┴IEC 60893-2:2003kV/mm≥ 12
Breakdown Voltage //IEC 60893-2:2003kV/25mm≥ 80
Arc ResistanceIEC 61621:1997sec≥180
PTI Proof Tracking Index PTIIEC 60893-2:2003---≥600
Dielectric ConstantIEC 60893-2:2003---4.0-5.0
tgδ Dissipation FactorIEC 60893-2:2003---≤0.03
Thermal propertiesCoefficient of Thermal ExpansionASTME 228-111/K≤2x10-5
Temperature IndexIEC 60085:2004155
Flame Resistance performanceOxygen IndexISO 4589-2:1996%O2≥ 30
Flame ResistanceIEC 60893-2:2003---V-0
Toxicant(Emission halogen etc.)E662---Low
Other propertiesThe anti microbial properties of bacteriaG21-G22---good

Application of material

GPO-3(UPGM203) used extensively in the making of phase and end barriers , insulating supports , bus bar supports , mounting panels in switch gear and other types of electrical apparatus.

Cable clamp in the switch gear

Top cover and bottom plate in the transformer

Insulation sheet in UPS cabinet


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