GPO-3 Grinded sheet with high performance adhesive properties
Production Introduction:
GPO-3 Grinded 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
Feature:
It has good machinability,high mechanical strength,good dielectric properties,excellent proof tracking resistance and arc resistance.
Application:
it is applicable for making insulation structure components or parts in F-class electric motors,transformer,switchgear,circuit breakers and electrical equipments. UPGM can be moulded into all kinds of structure parts or profiles as per customer's special requirement.
Thickness range :2mm-60mm
Sheet Size:1000mm*1200mm
Main Color:Red,White
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 | |
Other properties | The anti microbial properties of bacteria | G21-G22 | --- | good |
Processing methods | CNC machining |
Application of plate | Material thickness 0.1-100mm, machining tolerance according to the ISO 2768-M |
The advantage of processing |
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. |
Certification of Unility National Patents
ISO9001 ISO14001 OHSAS18001 certification