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500 Buyers strict with us diamond dotted resin paper insulation diamond dotted transformer ddp diamond dotted insulation paper


It can be used as coils and between layers of oil immerged power and distribution transformers.
• Insulation class A (105 °C)
• Presspaper (in rolls), 100 % sulphate wood pulp
• High purity and mechanical strength
• Thermosetting coating of epoxy-phenolic resin (B-stage), put in rhombic pattern on one or both sides.
• Good compatibility with transformer impregnants after curing of the coating.
Note: The surfaces to be bonded must remain tightly pressed together during curing

C1 | Thickness | mm | 0.08 | 0.13 | 0.17 | 0.20 | 0.25 | 0.30 | |||||
2 | Thickness Tolerance | % | 6.5 | ||||||||||
3 | Density | g/cm3 | ≥0.85 | ||||||||||
4 | Tensile Strength | MD | KN/m | 7.5 | |||||||||
CD | 3.7 | ||||||||||||
5 | Tear Strength | m·N | 500 | 1000 | 1500 | 2000 | |||||||
6 | Dielectric Breakdown | Kv | 0.6 | 0.9 | 1.2 | 2.2 | 2.75 | 3.3 | |||||
7 | Aqueous Extract | - | 6.8~8.5 | ||||||||||
8 | Bond Strength | Kpa | 450 | ||||||||||
9 | Ash Content | % | 1.0 | ||||||||||

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.


Henan Yaan Electrical Insulation Material Plant Co., Ltd. was established in 1986. It is located in the Weidu Industrial Agglomeration in Xuchang City, Henan Province. It is a high-tech enterprise in Henan Province. It is a manufacturing enterprise specializing in the production of electrical insulation materials.The main products are Electrical Insulation Flexible Laminates, impregnated fiber insulation material , Epoxy Prepreg & Diamond Dotted Electrical Insulation Material,electrical insulation banding tape, supporting more than 100 varieties of transformer insulating materials.
In order to better serve customers, the company has established seven comprehensive guarantee systems, such as mature supply system, key parameter production process system, warehousing system, packaging system, QC system, pre-shipment inspection system and after-sales service system.
The company started to set up the International Trade Department in 2008. The products have been directly exported to more than 30 countries and regions around the world. In March 2018, Henan Yaan Electric Power Technology Co., Ltd was established in Zhengzhou High-tech Development Zone, the capital city of Henan Province.
Henan Yaan Electric Power Technology Co., Ltd. is an import and export company mainly engaged in international trade. Based on the original international trade business, it has expanded into a one-stop procurement platform for foreign customers' electrical products. The company mainly focuses on the main products of electrical insulation materials. At the same time supporting the sale of insulation related products and electromechanical equipment, such as wire, cable, enameled wire, silicon steel sheet, generator, motor, transformer, and power tools.
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Q1. What is your terms of packing?
A: Generally, we pack our goods in cartons.then put on pallet
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 15 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. What is your sample policy?
A: We can supply the sample for free, but the customers need bear the express cost.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

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