Description

Products Description

Glass Polyester Laminate is a rigid insulating board made of alkali-free glass fiber mat impregnated with unsaturated polyester resin paste and added with corresponding additives and hot-pressed.

Nominal size: 1000×2000mm; 1010×2020mm; 1250×2500mm

Nominal thickness: 0.8～60mm

Note: Special specifications can be negotiated between the supplier and the buyer.

Application

Insulation brackets, baffles, and terminal boards in electrical control cabinets
Insulation layer plates, end plates, and pads for transformers
Busbar insulation brackets and conductive bar fixings
Internal insulation parts of high-voltage switch cabinets/medium-voltage cabinets
Motor slot wedges, insulating retaining rings
Insulation/insulation boards for battery packs of new energy electric vehicles

parameters

NO.	PROPERTIES	UNIT	METHOD	STANDARD VALUE	TESTING RESULT
1	Flexural strength perpendicular to laminations A:Under normal conditions E-1/130: Under 130±5℃	MPa	ISO 178	≥ 130 ≥ 65	247 145
2	Impact strength parallel to lamination (charpy)	kJ/m²	ISO 179	≥ 40	48
3	Dielectric strength perpendicular to laminations (in oil 90±2℃), 2.0mm in thickness	kV/mm	IEC 60243	≥ 10.5	13.2
4	Breakdown voltage parallel to laminations (in oil 90±2℃)	kV	IEC 60243	≥ 35	80
5	Water absorption, 3mm in thickness	mg	ISO 62	≤ 55	19.5
6	Insulation resistance Impregnated in water, D-24/23	Ω	IEC 60167	≥5.0×10⁸	6.5×10¹²
7	Tracking index resistance	V	IEC 60112	≥ 500	600
8	Tracking and erosion resistance	IB 2.5	IEC 60112	IB 2.5	IB 2.5
9	Flammability	Class	IEC 60695	FV0	FV0