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High Thickness GPO3 Fiberglass Sheet With Precise Thickness Tolerance

Categories GPO3 Fiberglass Sheet
Brand Name: Hongcheng
Model Number: GPO-3/UPGM203
Certification: SGS/UL/Rohs/Reach
Place of Origin: Xiamen China
MOQ: 100Pcs
Payment Terms: T/T
Delivery Time: 3-5work days
Packaging Details: crate packing/pallet/ carton
Product Name: GPO3
Color: White/Red
Density: 2.0g/cm3
Water absorption: ≤0.5%
Tensile Strength: ≥130Mpa
Compressive strength: ≥300Mpa
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    High Thickness GPO3 Fiberglass Sheet With Precise Thickness Tolerance

    GPO-3 Grinded sheet with high thickness precision / upgm203 grinded sheet with precise thickness tolerance



    Production Introduction:

    GPO-3 Grinded sheet with high thickness precision has excellent mechanical strength and automatic processing .It can be used extensively in low & middle voltage electrical equipments as insulating structures such as circuit breaker, switchgear, transformer, DC motor, AC contactor,converter,inverter & explosionproof apparatus etc. ; automotive industry field etc. In electrical Apparatus: making of phase & end barriers, contact terminal supports, terminal plate, insulating supports, bus bar supports and mounting panels in switchgear; arcchute plate, arc extinguishing cover & cylinder in circuit breaker and signal panels in other types of electrical apparatus; and electric melting furnace insulations. In electrical motor: making of armature parts, cover plate,slot wedge, stator, gasket,shims,carbon brush etc.

    GPO-3 Grinded sheet with high thickness precision are consists of non-alkali glass mat impregnated and boned with an unsaturated polyester resin ,and laminated under high temperature and press,GPO3 sheet offer a superior combination of electrical and mechanical properties such as dielect ric strength ,flame resistance,arc and track resistance,high-flexural and high-impact strength.



    Product Advantages:


    Electrical Insulation :All grades of GPO3 sheet have inherently good dielectrics. They are engineered to maximize the specific properties required for a wide range of electrical applications.

    Flame Resistance :GPO3 sheet are UL-rated V-0. They belongs to halogen-free system that generates very low smoke and smoke toxicity in a fire situation.

    Mechanical Strength :Our GPO3 sheet have stable mechanical strength wich won’t cracked when machining

    Heat Resistance:Our GPO3 sheet have excellent property retention and dimensional stability at elevated temperatures. These laminates have UL temperature index ratings over 150℃


    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


    Methods:Precision Engraving

    Processing Advantages:

    1. Proficient in advanced programming software, such as: Mcam9.1, UG software programming , to meet the requirements of machining on complex surface;

    2. We have a senior R&D engineers team and the team have the ability in designing the fixture independently to meet production requirements of high quality , high yield and lower cost;

    3. To meet the customers’ requirements , company owned dozens of high-precision CNC equipments to short the delivery time ;

    4. The company have dozens of No.850&No.650 CNC machining center (with tool storage) , these machines can be used to complete multistep processes of complex parts at one-time;

    5.Our company owned several Large gantry CNC machines in 1000*1200mm , large panel parts can be completed at one-time by high-precision processing and avoid deviation from machining.


    Our company is located in Xiang’an manufacture base of Xiamen Special Economic Zone.It is a national hi-tech enterprise with the ability to R&D,production,sale and further processing,we has became the solver of electric insulation technology project .We have more than one hundred machines including CNC and Digital controlled lathe.every kinds of Bending machine,Punching machine,have establish the completely production chain of design and precision further processing .We are the only modernization company in the country which is totally operated by Numerical control in respect of material production and the process for non-metallic insulating spare parts.All of the products have gained the UL certification of the USA,The French national standard certification,CEMT,RoHS,Reach and many national& international authoritative organization certification.

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