Main Products: electric pressboard ,transformer board ,insulation presspaper ,insulating kraft paper ,diamond dotted paper
New arrival electrical insulation ceramic fiber board
USD $1 - $5 /Kilogram
Min.Order:500 Kilograms
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Hunan Powerwell Industrial Co., Ltd.
Business Type: Trading Company
Changsha Hunan ChinaMain Products: electric pressboard ,transformer board ,insulation presspaper ,insulating kraft paper ,diamond dotted paperProduct Details
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Accurate specifications ensure that we provide professional products
| Item | Test standard | Measured value | Standard value |
| Thickness tolerance | IEC 641-2 | ≤ 1.6 mm 6.00 % | ±7.5 % |
| > 1.6 - 8.0 mm 3.00 % | ± 5.0 % | ||
| Apparent density | ≤ 1.6 mm 1.09 g/cm³ | 1.00 - 1.20 g/cm³ | |
| > 1.6 - 4.0 mm 1.15 g/cm³ | 1.10 - 1.25 g/cm³ | ||
| Min. tensile strength M.D. unfolded | ≤ 1.6 mm 75 N/mm² | 70 N/mm² | |
| > 1.6 - 4.0 mm 90 N/mm² | 80 N/mm² | ||
| Min. tensile strength C.M.D, unfolded | ≤ 1.6 mm 60 N/mm² | 50 N/mm² | |
| > 1.6 - 4.0 mm 70 N/mm² | 55 N/mm² | ||
| Min. elongation M.D, unfolded | 6.50% | 6.00% | |
| Min. elongation C.M.D, unfolded | 8.10% | 8.00% | |
| Max. moisture content | 7.60% | 8.00% | |
| Max. ash content | 0.80% | 2.00% | |
| pH of aqueous extract | 6.3 | 6.0 - 9.0 | |
| Max. shrinkage M.D | 0.40% | 0.50% | |
| Max. shrinkage C.M.D | 0.60% | 0.70% | |
| Max. thickness shrinkage | 3.90% | 5.00% | |
| Min. oil absorption | ≤ 1.6 mm 13.7 % | 11.00% | |
| > 1.6 - 4.0 mm 10.6 % | 9.00% | ||
| Compressibility C | ≤ 1.6 mm 9.4 % | 10.00% | |
| > 1.6 - 4.0 mm 5.7 % | 7.50% | ||
| Revers. part of compressibility Crev | ≤ 1.6 mm 54 % | 45% | |
| > 1.6 - 4.0 mm 71 % | 50% | ||
| Min. breakdown voltage in oil | ≤ 1.6 mm 15 kV/mm | 12 kV/mm | |
| > 1.6 - 4.0 mm 13 kV/mm | 10 kV/mm | ||
| Max. conductivity of aqueous extract | ≤ 1.6 mm 3.3 mS/m | 10 mS/m | |
| > 1.6 - 4.0 mm 3.5 mS/m | 10 mS/m |
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Product description of electrical insulation ceramic fiber board
Pressboard PSP3050 (Transformer Board PSP3050) is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed.Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers.
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Product Application of electrical insulation ceramic fiber board
To use as insulations material in Power and Distribution Transformers
It is the base material for components like corrugated boards, cyclinders, rings and mouldable parts.
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From raw materials to finished products, every process is tested and controlled professionally and seriously by our professional machines and person.
How to send an effective inquiry for saving your time?
1.Response to your inquiries and questions within 24hours.
2.Existing samples provided on free,only charge the freight.
3.High quality products and competitive offer
4.On-time delivery date
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