Resin Impregnated Glass Fiber Mesh

Resin Impregnated Glass Fiber Mesh

Description

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

No. Test Item Unit Specification
1 Average Thickness Mm 2.40/5×4 2.00/5×4 1.60/5×4 1.20/5×4 1.00/5×4 0.80/5×4 0.60/5×4 0.40/5×4 2.2/10×7
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 ≥1×1013
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

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