Transformer Insulating parts > Resin impregnated glass fiber mesh

Resin impregnated glass fiber mesh

Application: Cast resin dry-type transformers, reactor, instrument transformes.

No.	Test Item		Unit	Specification
1	Average Thickness		Mm	2.40/5x4	2.00/5x4	1.60/5x4		1.20/5x4		1.00/5x4	0.80/5x4		0.60/5x4		0.40/5x4			2.2/10x7
2	Nominal Dimension of Holes		Mm	2.4±10%	2.0±10%	1.6±10%		1.2±10%		1.0±10%	0.8±10%		0.6±10%		0.4±10%			2.2±10%
3	Average Gravity		g/m²	1500±100	1100±100	800±100		600±50		430±50	300±50		250±50		125±50			1000±100
4	Approximate Density		g/ m3	0.61	0.49	0.53		0.48		0.43	0.35		0.45		0.30			0.46
5	Tensile collocated	Warp	%	25	33	23		38	50		40		38		38			33
		weft		75	67	77		62	50		60		62		62			67
6	Resin content		%	14-16	14-16	16-20		18-22	18-22		18-22		18-22		20-30			14-16
7	Standard width		Mm	1000±10mm 1200±10mm or as required
8	Standard length		Mm	50±0.5	50±0.5	50±0.5	80±0.5		80±0.5			100±0.5	100±0.5		100±0.5			50±0.5
9	East Curvature radius		Mm	250	250	200	200		200			150	150		120			250
10	Surface insulation resistance		Ω	≥1x1013
11	Surface impact voltage		Kv	≥18
12	Water absorption		%	≤5
13	Bending strength		N	≥50	≥40	≥30	≥30		≥20			≥20		≥20		≥15	≥50
14	Tensile strength		N	≥5600	≥3500	≥2500	≥2000		≥1500			≥1000		≥800		≥150	≥5300
15	Temperature class		℃	F ClASS and H CLASS