| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
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| Type: | Insulation Paper |
| Chemistry: | Hybrid Insulation |
| Material: | Paper |
| Thermal Rating: | B 130 |
| Maximum Voltage: | 20KV~100KV |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Transformer insulating Pressboard
1.The Insulation Transformer Pressboard is manufactured from 100% high quality sulfated insulating wood pulp. without sizing or used fillers. This paper is highly refinded and cleaned to ensure uniform thickness and formation. It is allowed to exist for little Pinholes, Undispersed fiber bundles and Tiny defects if it doesn't effect to meet the safety requirements in the manufacturing and applications of transformers and cables.
2.It is suited for making electromagnetic wire of transformers and other electrial insulating equipments Specification:
3.nominal thicknesses:1.0-8.0mm
4.size:1000mmX2000mm 2000mmX4000m
| Items | Standard IEC(641-3-1):1992 |
| Thickness Deviation | ≤ 5.0% |
| Density | 1.10 -1.25 g/cm3 |
| Tensile strength MD | ≥105 N/mm2 |
| Tensile Strength CMD | ≥ 80 N/mm2 |
| Shrinkage MD CMD Perpendicular |
≤ 0.5% ≤ 0.7% ≤ 5.0% |
| Elongation MD CMD |
≥ 3.0% ≥ 4.0% |
| Ash Content | ≤ 1.0% |
| PH Value of Aqueous Extract | 6 - 9 |
| Oil Absorption | ≥ 9% |
| Conductivity of Aqueous Extract | ≤ 5 mS/m |
| Electrical Strength in Oil 0.5mm -1.5mm up 1.5mm -3.0mm |
≥ 40KV/mm ≥ 35 KV/mm |
| Moisture Content | ≤ 6 % |
Product quality: With consistent quality control throughout the entire process of product design and development, material procurement, production, quality inspection, and sales, the company has passed strict quality system certification and has been widely recognized by well-known customers. The company's products have advantages in quality.
Our products all meet the national standard, IEC standard and ISO standard. We have more than 60 national inventions and utility model patents, and the reliable quality of our products and our superb service has received warm praise from our customers!
We take customer satisfaction as our goal, trying our best to be more professional. In line with the principle of "putting customers first and pursuing continuous improvement" ,we will keep innovating and never stop on our way to become a new material supplier of transformer industry at home and abroad.
Customer visit
Q: How you make sure the quality?
a. We will consult on your requirements, and recommend suitable products to you.
b. Before production, we will send samples to you
c. During production, we will always check quality, package, delivery etc.
d. Before package, with QA to check everything
e. After shipment, we will consult with you about satisfaction.
Q: How to make sure the delivery date?
a. Before production, we will see we can meet your time or not.
b. After your payment, we start our preparing material immediately.
c. During production, We will inform you of the production scheduled.
d. Before shipment, we will inform you to pay the balance on time and booking immediately.
Suppliers with verified business licenses
Audited Supplier 
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