Wholesale transformer insulation pressboard press paper board insulation presspahn pressboard
- Category: >>>
- Supplier: Henan Yaan Electrical Power Technology Co. Ltd.
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Product Overview
Description
Wholesale transformer insulation pressboard press paper board insulation presspahn pressboard
Description:
Pressboard is made from 100% superior sulfate insulating wood pulp.
Features:
Insulation class A (105 °C)
Natural-coloured
Hot-pressed Pressboard, 100 % sulphate pulp
High hardness and stiffness
Low shrinkage and compatibility
High purity and mechanical strength
Good compatibility with liquid dielectrics
Further processing is ensured since the pressboard can be punched, folded, cut and formed without difficulty.
Applications:
High chemical purity, excellent enlonation, good Mechanical and dielectric Strength.
For oil-immersed transformers, capacitors, reactors and switches.
Technical Data:
Properties | Units | Values | |||||
≤1.6mm | >1.6-3.0mm | >3.0-6.0mm | |||||
Thickness Tolerance | % | ≤ ±7.5 | ≤ ±5.0 | ||||
Density | g/cm3 | 1.0-1.2 | |||||
Tensile Strength | MD |
Mpa | ≥80 | ≥80 | ≥80 | ||
TD | ≥55 | ≥55 | ≥50 | ||||
Elongation | MD |
% | ≥6.0 | ||||
TD | ≥8.0 | ||||||
Shrinkage | MD |
% | <0.7 | ||||
TD | <1.0 | ||||||
Thickness | <5.0 | ||||||
Moisture Content | % | ≤8.0 | |||||
Ash Content | % | ≤1.0 | |||||
Electric Conductivity | Ms/m | ≤8.0 | |||||
PH of Water Extractives |
| 6.0-9.0 | |||||
Electric breakdown Strength in oil | KV/mm | ≥40 | ≥30 | ≥25 | |||
Package
diamond dotted paper is Wrapped by proctective film;
diamond dotted paper is Packed by standard import & export cartons or.iron pallets.
The products have passed ROHS test, the company has established a professional R & D center, and currently has more than 30 kinds of invention patents and utility model patents.
Buyer Feedback
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory. And we are a professional manufacturer of insulating materials for more than 33 years.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods is needed to produce as customized, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
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