Xiamen Hongcheng Insulating Material Co., Ltd. 86-592-3922709 sales300@hc-materials.com
2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength

2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength

  • High Light

    Polyester GPO3 Parts


    High Flexural Strength GPO3 Parts


    2.0g/cm3 gpo3 products

  • Product Color
    White / Red / Yellow /Gray
  • Density
  • Heat Resistance
    155℃(Class F)
  • Electric Strength⊥
  • Oxygen Index
    ≥ 30%O2
  • Flame Resistance
  • Toxicant
  • Dissipation Factor
  • Place of Origin
    China Xiamen
  • Brand Name
  • Certification
  • Model Number
  • Minimum Order Quantity
  • Packaging Details
    plywood pallet/cartons/ plywood crate pakcing
  • Delivery Time
    5-15 work days
  • Payment Terms
    T/T, D/P, L/C, Western Union
  • Supply Ability
    2000kg pr day

2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength

Polyester GPO3 part used as transformer plate High Flexural strengh



Product Description:

Polyester GPO-3 sheet or related products are consists of non-alkali glass mat impregnated and boned with an unsaturated polyester resin ,and laminated under high temperature and press, this material can be processed into the part you need with high precise tolerance and smooth surface. 


Our GPO3 material can be machined as top place and bottom plate which used in the electrical reactor and transformer.  the part have high phisical properties and good structure strength. and also thin GPO3 sheet can be machined into  air gap.

2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength 0


  1. High temperature resistance more than 180℃
  2. Excellent Fire Retardant(UL 94 V-0 Grade)
  3. Excellent Voltage Resistance(electric strength ≥14KV/mm)
  4. Excellent Water Resistance(Water absorption ≤0.5%)
  5. Excellent Heat Resistance(Class F)
  6. Excellent thermal impact resistance(Temp.Index:-273℃ to +180℃)
  7. Excellent mechanical processability &high degree of automation processing
  8. RoHS,Reach Certified products

Hong Cheng Grade HC-GPO3
IEC 893 / EN 60893 Grade UP GM 203
DIN 7735 Grade HM 2471
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
Proof Tracking Index PTI IEC 60893-2:2003 --- ≥600
Dielectric Constant IEC 60893-2:2003 --- 4.0-5.0
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


Why Choose us as the Insulation Bracket Supplier:


2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength 1


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


2.We have a large number of senior engineers, and do the independent development of tooling and fixture to meet the production requirements of customers with high quality, high yield and low cost;


3.We have dozens of high precision CNC machining equipment, can satisfy the customer delivery requirements of shorter production; 


4.We have 850 sets of CNC machining center (with a knife) mufti-step processing can complete complex parts;


5.We have many 1000*1200 large platform of Longmen CNC machining centers,can complete large panel parts with high precision production to avoid error caused by splicing processing processing.

What's our Packing for transportation?



2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength 2

Wooden box:

2.0g/cm3 Polyester GPO3 Parts With High Flexural Strength 3