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STANDARD:JB/T1004.3-2004 | insulation between coils ddp diamond laminated kraft paper | ||||||||||||
Project | Unit | 0.08 | 0.13 | 0.18 | 0.2 | 0.25 | |||||||
Thickness&Tolerance | mm | ±0.005 | ±0.007 | ±0.010 | ±0.010 | ±0.010 | |||||||
Density | g/m2 | 0.85-1.1 | |||||||||||
Moisture Content | % | 4.0-8.0 | |||||||||||
Water Extraction PH | ---- | 6.5-8.5 | |||||||||||
Ash Content | % | ≤1.0 | |||||||||||
Adhesive Thickness | μm | ≤1.06-12 | |||||||||||
Oil Absorbency | % | ≥20 | |||||||||||
Contamination to Transformer Oil | ---- | No Contamination | |||||||||||
Bond Strength | Normal | Kpa | ≥650 | ||||||||||
100℃±2℃ | ≥400 | ||||||||||||
Tensile Strength | MD | N/10mm | ≥60 | ≥110 | ≥160 | ≥180 | ≥230 | ||||||
CD | ≥30 | ≥50 | ≥70 | ≥80 | ≥100 | ||||||||
Elongation | Normal | % | ≥2.0 | ||||||||||
100℃±2℃ | ≥4.0 | ||||||||||||
Tear Strength | MD | MN | ≥450 | ≥900 | ≥1350 | ≥1500 | ≥2000 | ||||||
CD | ≥500 | ≥1000 | ≥1500 | ≥1700 | ≥2300 | ||||||||
Breakdown Voltage | in the air | KV | ≥0.8 | ≥1.37 | ≥2.00 | ≥2.10 | ≥2.25 | ||||||
In the oil | ≥4.0 | ≥7.00 | ≥9.00 | ≥9.80 | ≥11.50 | ||||||||





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