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GPO3 Polyester Glass Sheet

GPO3 Polyester Glass Sheet is made of alkali-free glass felt impregnated with polyester resin under heat and pressure process.

Category:

Motor Field

Keywords:

POWERWELL

Hotline:

DESCRIPTION

Description

GPO3 Polyester Glass Sheet is made of alkali-free glass felt impregnated with polyester resin under heat and pressure process.

Features

High mechanical and dielectric properties

Inflaming retarding and arc resistance

Applications

Relays and Switches

High frequency electronic equipments

Electrical Cabinet

Technical Data

ITEM	UNIT	VALUE
Density≥	g/cm³	1.70～1.90
Flexural strength≥	MPa	166
Tensile strength≥	MPa	78
Compressive strength≥	MPa	157
Shear strength≥	MPa	68
Impact strength≥ Flatwise Edgewise	kJ/m²	90 45
perpendicular to lamination in transformer oil at 25±2℃≥	kV/mm	14
Insulation resistance≥ Under normal condition After boil in water	Ω	1×10¹⁴ 1×10¹¹
Volume resistivity≥ Under normal condition After boil in water	Ω.cm	1×10¹¹ 1×10¹⁰
1MHz loss factor≤	—	0.05
1MHz loss relative dielectric coeff≤	—	5.5
Arc resistance≥	s	180
Heat deflection temperature≥	℃	200
Flammability≥ Oxygen index UL－94 flame	— —	50 94－V0
Water absorption≤	%	0.2
Area of the sheets	mm	1050×1230,1020×2040