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60mm GPO3 Fiberglass Products With 180 Seconds Arc Resistance

Categories GPO3 Fiberglass Sheet
Brand Name: HC
Model Number: GPO-3
Certification: UL/RoHs/Reach/EN45545
Place of Origin: China
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
color: customizable
size: 1000*1200mm/1230*2100mm
Thickness: 0.5-60mm
Temperature index: 155℃
Arc resistance: 180 seconds
CTI: 600
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60mm GPO3 Fiberglass Products With 180 Seconds Arc Resistance

GPO3(UPGM203) with properties of CTI600&Arc 180 seconds , thickness from 0.5mm to 60mm


GPO-3 material was made of polyester resin , glass fiber mat and aluminium hydroxide , the material inclusive laminated sheet , pultrusion profiles and molded parts .


HC is one of the biggest GPO3 manufacturer in China and the drafter of standard for this material in China , the material has been certified by UL/ROHS/REACH/EN45545/glowing filament and other certification from the third party .


GPO-3 laminated sheet , pultrusion profiles and molded parts can be machined by CNC/milling machines/punching machines and etc., it means that the materials with very excellent machining properties .


For the temperature index , It is the F class material which required continuous operating time meet to 20K hours .

This material machined parts with very nice arc property , it was application to every kinds of electrical equipment which has arc when running , it will remove the arc . In other way the machining precision can meet ISO2768-F according to the customer demand .It is so high precision in insulation industry . As soon as we know , higher precision which we can meet , better for the electrical products .

Feature of GPO-3

It can be machined into precision tolerance part by CNC, it can meet tolerance ISO2768-F class

It has very good arc property when running in every electrical equipment ;

If the thickness of parts less than 2mm , it can be punched by punching machine and will save machining cost .

It is green product , halogen free of the material , meet requirements of RoHs and Reach .

This material is widely used in every low and medium voltage electrical .

It has nice properties of Arc resistance , it meets more than 180s when operation .


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 GPO-3 material

GPO-3 laminated sheet with the performance on electrical properties such as arc resistance when it is operating in electrical equipments . It has advantage of low smoke , it means the material can be used in railway traffic equipments . As far as I know , the materials have been using in metro located in Xiamen city/Xi’an city of China . As we known , Our GPO-3 materials have been used in high speech train due to low smoke and nice properties of electrical . So many electrical products have the arc while it is running . Arc will callused the insulation materials carbonized . If the material carbonized, it will be become semiconductor , so the properties will be effected .

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