Basic Info.
Type
Insulation Materials
Formaldehyde Emission Standards
E0
Production Process
Dry-Proces
Certification
MSDS, CE, ISO
Paper Type
Specialty Paper
Keywords
Thick Paper Board,Thick Paper Board,
Apparent Density
1.00-1.20g/cm3
Sheet Dimension
1000mm*2000mm,2100mm*4200mm,or as Your Request
Pulping Type
Mechanical Pulp
Industrial Use
Power Transformer
Product Name
Insulation Paper,Presspan Paper,Inulating Paper
Compatible Printing
Digital Printing
Transport Package
Rolls, Pallets, Cartons. Wooden Case
Product Description
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Technical parameter
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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 4.00 % | ± 5.0 % |
Apparent density | IEC 641-2 | ≤ 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 | IEC 641-2 | ≤ 1.6 mm 107 N/mm² | 100 N/mm² |
> 1.6 - 4.0 mm 128 N/mm² | 105 N/mm² |
Min. tensile strength C.M.D, unfolded | IEC 641-2 | ≤ 1.6 mm 77 N/mm² | 75 N/mm² |
> 1.6 - 4.0 mm 83 N/mm² | 80 N/mm² |
Min. elongation M.D, unfolded | IEC 641-2 | 3.90% | 3.00% |
Min. elongation C.M.D, unfolded | IEC 641-2 | 4.10% | 4.00% |
Max. moisture content | IEC 641-2 | 4.20% | 6.00% |
Max. ash content | IEC 641-2 | 0.30% | 1.00% |
pH of aqueous extract | IEC 641-2 | 6.3 | 6.0 - 9.0 |
Max. shrinkage M.D | IEC 641-2 | 0.40% | 0.50% |
Max. shrinkage C.M.D | IEC 641-2 | 0.60% | 0.70% |
Max. thickness shrinkage | IEC 641-2 | 3.90% | 5.00% |
Min. oil absorption | IEC 641-2 | ≤ 1.6 mm 13.7 % | 11.00% |
> 1.6 - 4.0 mm 10.6 % | 9.00% |
Compressibility C | IEC 641-2 | ≤ 1.6 mm 9.4 % | 10.00% |
> 1.6 - 4.0 mm 5.7 % | 7.50% |
Revers. part of compressibility Crev | IEC 641-2 | ≤ 1.6 mm 54 % | 45% |
> 1.6 - 4.0 mm 71 % | 50% |
Min. breakdown voltage in oil | IEC 641-2 | ≤ 1.6 mm 50 kV/mm | 40 kV/mm |
> 1.6 - 4.0 mm 45 kV/mm | 35 kV/mm |
Max. conductivity of aqueous extract | IEC 641-2 | ≤ 1.6 mm 3.3 mS/m | 5.0 mS/m |
> 1.6 - 4.0 mm 3.5 mS/m | 6.0 mS/m |
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Details&features
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Product description of thick cardboard sheets Pressboard PSP3052 (Transformer Board PSP3052) 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.
Where can we use the product?
Product application will make us a direct impression.
Product Application ofthick cardboard sheets To use as insulation material in Power and Distribution Transformers
It is the base material for components like cyclinder, strips, spacers, rings. washers, plates, machine formed and moulded parts, punching and laminates.
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Production Flow
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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.
Certifications
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Package&shipping
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Our Services
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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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Address:
158 Wu Yi Road, Changsha, Hunan, China
Business Type:
Manufacturer/Factory
Business Range:
Agriculture & Food
Company Introduction:
T′s easy for you to find out all range of quality products you need here
As a leading supplier of insulation products for use in electric motors, transformers and drivers in China, our company has supplied electrical insulation materials for over 25 years.
Numerous well-known customers rely on the high quality of our products, taking advantage of our company′s broad experience, professional knowledge and honest service
Our success is based on proximity to our customers, premium quality of our products and the consistent advancement of our company management
Mission Statement