Description
DescriptionInsulation Pressboard 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. 100% wood or cotton thick board is characterized by its high density.
ApplicationPresspaper is used for electrical industrial board for motors, electric device, instruments, swith board, transformer for insulation and assembly pieces under 35kv. 100% wood or cotton thick board is characterized by its high density.
Good mechanical strength, low compression and high electric strength
Size: 0.8-4mmx1mx2m
Color: Brown, red
Package: Pallet
| Technical Data sheet | |
| No | Index name | Unit | Index requirement | |
| 1 | Thickness | mm | 0.5 | 1.0 | 1.5 | 2.0 | 3.0 | |
| 2 | Thickness tolerance | % | ±7.5 | ±5 | ±5 | ±5 | ±5 | |
| 3 | Apparent density | g/m2 | 1.00-1.25 | |
| 4 | Tensile Strength(min) | MD | N/mm2 | >110 | |
| CD | N/mm2 | >80
breadth:50 | |
| 5 | Elongation | MD | % | >7.0 | |
| CD | % | >9.0
breadth:50 | |
| 6 | Shrinking rate (max) | % | length:1.0 breadth:4.0 Thickness:6.0 | |
| 7 | Absorption of oil(min) | % | >10 | |
| 8 | Electricity strength | In air | KV/mm | ≥10 | ≥10 | ≥10 | ≥10 | ≥10 | |
| In oil | ≥40 | ≥30 | ≥25 | ≥25 | ≥25 | | ±5 | ±5 | ±5 |
| 9 | Moisture content | % | ≤8.0 | |
| 10 | Ash Conent | % | ≤1.0 | |
FAQQ: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. Or it is 15-30 days if the goods are not in stock, 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: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our warehouse staff will leave another same sample as yours. The production process will be under your requirement.
Q: What is your terms of payment ?
A: Payment≤1000USD, 100% in advance. Payment≥1000USD, 30% T/T in advance ,balance before shipment.
Q: Can you give me a discount price?
A: It is depending on the volume. The larger the volume, the more discount you can enjoy.
Q: Why is your price a bit higher than other Chinese suppliers?
A: To meet the requirement of different customers and areas, our factory manufactures various kinds of quality for each item at a wide range of price. We can offer the products of different quality levels depending on customer's target price and quality requirement.
Q: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our warehouse staff will leave another same sample in our company, with your company name marked on it, which our production will be based on.
Q: How can you deal with quality issues that customer feedback after receiving the goods?
1) Customers take photos of unqualified goods and then our sales staff will send them to Engineering Department to verify.
2) If the issue is confirmed, our sales staff will explain the root cause and take corrective actions in coming orders.
3) Finally, we will negotiate with our customers to make some compensation.
Packaging & DeliveryPackaging Details: Normal Export Packing, Wrapped with plastic film , Moisture proof; then packed with plywood pallet.
Delivery Detail: Within 15 days after receiving T/T payment ( at least 30%)
Please contact us
Miss Monroe LI
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