- Overview
- t Description
- Detailed Photos
- Product Parameters
- Certifications
- Company Profile
- FAQ
Basic Info.
Product Description
Special thicknesses or combinations can be supplied according to customer. Products can be supplied in rolls, sheet, tapes or shapes according to customer requests. According to different thicknesses of Polyester film, 6520/6521 Polyester film/Presspaper can be divided into 6520-23 / 6520-36 / 6520-50.
| Item | Unit | Value | |||||||||||
| Normal Thickness | mm | 0.15 | 0.17 | 0.20 | 0.22 | 0.25 | 0.27 | 0.30 | 0.35 | 0.45 | 0.60 | ||
| Thickness Tolerance | mm | ±0.02 | ±0.03 | ±0.035 | ±0.045 | ±0.06 | |||||||
| Normal Grammage | g/square meter | 190±28 | 215±32 | 250±38 | 275±40 | 310±46 | 330±50 | 370±50 | 490±73 | 550±80 | 730±110 | ||
| Tensile Strength | Lengthwise | Not Bended | N/10mm | ≥100 | ≥110 | ≥125 | ≥130 | ≥150 | ≥175 | ≥200 | ≥240 | ≥360 | ≥400 |
| Bended | >70 | >75 | >80 | >85 | ≥95 | ≥100 | ≥110 | ≥180 | ≥275 | ≥320 | |||
| Crosswise | Not Bended | >80 | >85 | >90 | >90 | ≥95 | ≥100 | ≥105 | ≥120 | ≥180 | ≥200 | ||
| Bended | >50 | >50 | >50 | ≥55 | ≥60 | ≥70 | ≥80 | ≥115 | ≥175 | ≥190 | |||
| Elongation | Lengthwise | Not Bended | % | ≥2 | ≥3 | ||||||||
| Crosswise | Not Bended | ≥8 | ≥10 | ||||||||||
| Breakdown Voltage | Not Bended | KV | ≥7 | ≥7 | ≥7 | ≥7 | ≥7 | ≥7 | ≥7 | ≥7 | ≥7 | ≥7 | |
| Bended | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | |||
| Adhesive Property | Room Temperature | No delamination | |||||||||||
| 130±2°C 10min | No delamination,blister,or adhersive flow | ||||||||||||
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.
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.
