Customization: | Available |
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Application: | Insulators, Electrical Winding Insulation, Electrical Base, Shell, Motor, Insulating Varnish |
Color: | Wqhite, Brown |
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1 .Description: 2450 silicone varnished glass cloth is made by fiber glass cloth impregnated with silicone varnish.
insulation Impregnated cloths Silicone varnished glass cloth
Properties | Units | values | |||||||
Nominal thickness | mm | 0.1 | 0.12 | 0.15 | 0.18 | 0.2 | 0.25 | ||
Tolerance | mm | ±0.01 | ±0.012 | ±0.015 | ±0.018 | ±0.02 | ±0.025 | ||
hydrolysis resistance Under105±2OC 24h | / | Varnished film not breakdown | |||||||
Oil acid value( varnished glass clothto the influence of oil)(45# transformer oilUnder105±2OC 72h ) | mgkOH/g | ≤0.5 | |||||||
( oil to the influence of varnished glass cloth)(45# transformer oilUnder105±2OC 48h ) | / | Varnished film shall not be broken down | |||||||
Tensile strength | Length | N/10mm | ≥70 | ≥90 | ≥100 | ≥105 | ≥110 | ≥120 | |
Cross | ≥40 | ≥50 | ≥60 | ≥65 | ≥70 | ≥80 | |||
45° | ≥40 | ≥60 | ≥65 | ≥65 | ≥70 | ≥80 | |||
On lapping place cut on bias | Before impregnation | ≥20 | ≥25 | ≥30 | ≥30 | ≥35 | ≥35 | ||
After impregnation | ≥20 | ≥20 | ≥20 | ≥30 | ≥30 | ≥30 | |||
Shrinkage 10% Under 450 | 2~12 | 2~12 | 3~15 | 3~15 | 4~16 | 5~20 | |||
Shrinkage when break down | warp-wise | % | ≥1.5 | ≥1.5 | ≥2.0 | ≥2.0 | ≥2.5 | ≥3.0 | |
45O | ≥15 | ≥15 | ≥15 | ≥20 | ≥20 | ≥20 | |||
Edge Tearing Resistence | warp-wise | N | ≥5 | ≥6 | ≥7.5 | ≥10 | ≥20 | ≥25 | |
45O | ≥50 | ≥60 | ≥75 | ≥80 | ≥90 | ≥120 | |||
Breakdown voltage | Under23±2OC | KV | ≥5 | ≥6 | ≥7 | ≥7.5 | ≥8 | ≥9 | |
Under180±2OC | ≥2.5 | ≥2.5 | ≥3.0 | ≥3.0 | ≥3.0 | ≥3.5 | |||
Shrinkage 3% Under 450 | ≥2.5 | ≥2.5 | ≥3.5 | ≥3.5 | ≥3.5 | ≥3.5 | |||
After being humidifiedUnder23±2OC | ≥2.0 | ≥2.2 | ≥2.8 | ≥2.8 | ≥2.8 | ≥3.0 |