Insulation Materials gpo3 fiberglass datasheet
2023-12-12 10:25 | By: ZTELEC-www.ztelecgroup.com | 154click
Material Details
Grade: GPO-3. (Type: Glass Mat Based Laminate)
Description: Alkali-free fiberglass mat impregnated with unsaturated polyester resin
Comments: It has high mechanical strength, flame retardant, and leakage resistance; arcresistance, high dielectric strength and withstand voltage; low water absorption, stable size. It is Widely used in the medium and low voltage electrical industries such as rail transportation,power generation, wind energy, power transmission and distribution, metallurgy, mining, petrochemical, public transportation and other fields.
Specifications: IEC60893-3-5-2009, UPGM203
Body Colour: White/Red
Cover Colour: White/Red

Technical Data Sheet
GPO-3 (Glass Polymer Laminate)
GPO is constructed with fiberglass-reinforced thermoset polyesters which feature a combination of beneficial electrical and
mechanical properties. These attributes include
Dielectric strength, flame resistance, arc and track resistance, high-flex strength and high-impact strength. They maintain
stability, will not melt under heat and have excellent overall electrical properties. All grades are UL® recognized.
Characteristics
GPO-3 is the laminate to choose when arc, flame and carbon track-resistance are needed. GPO-3 offers good physical
strength and moderate heat resistance. It is used extensively in the making of electrical components.
Benefits
Electrical insulation
Track resistance
Self extinguishing UL94 (V-0)
Chemical resistance
Low smoke
Low conductivity
Impact and Abrasion resistant
Good mechanical strength

Applications
Phase and end barriers
Insulating and bus bar supports
Mounting panels in switchgear and other
types of electrical apparatus
Transformers
Antenna bases
Spacers
tags:insulation failure transformertransformer short circuittransformer overheatingtransformer overloadtransformer maintenance
- more+releated article
- 2026-01-04Common Power Transformer Faults: Causes, Solut
- 2025-12-312026 New Year Holiday Notice
- 2025-12-31Operation, Maintenance, and Service Life Manag
- 2025-12-30How to Select a 100 kVA–500 kVA Distribution
- 2025-12-29The Impact of NHN NMN Composite Insulation on
- 2025-12-26Practical Application of GPO-3 Insulation Boar
- 2025-12-2510kV Transformer Replacement Timeline: Install
- 2025-12-25Low Smoke EN45545 GPO3 UPGM203 Laminated Board
- 2025-12-24Merry Christmas — ZTelecgroup Christmas Cele
- 2025-12-24How to Select a Suitable 50kVA–500kVA Distri



