Main Products: electric pressboard ,transformer board ,insulation presspaper ,insulating kraft paper ,diamond dotted paper
Professional manufacturer supply extruded polystyrene thermal insulation board sheet
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
reproof electronics insulation board
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| 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 extruded polystyrene thermal insulation board sheet 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 extruded polystyrene thermal insulation board sheet 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.
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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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