6521 Flexible Laminates Transformer Insulation Paper
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Product Highlights
- High Mechanical Strength: Excellent dielectric property and high tensile strength for reliable insulation performance.
- Wide Thickness Range: Available in thicknesses from 0.15mm to 0.60mm to meet diverse application needs.
- Multi-Application Use: Ideal for slot liners, gaskets, interturn insulation, and transformer insulation.
- Quality Certified: Complies with JB/T4059-1991 standard and holds ISO9001 and SGS certifications.
- Customizable Width: Width can be customized, with standard options available at 1000mm.
Product Attributes
- Customization
- Available
- Application
- Capacitor, Generator, Inductor, Motor, Transformer
- Color
- White
- Model NO.
- 6521
- Material
- Plastic
- Maximum Voltage
- <10KV
- Thermal Rating
- B 130
- Thickness
- 0.13mm*0.35mm
- Width
- 1000mm
- Type
- Insulation Paper
- Chemistry
- Organic Insulation
- Classification
- Organic Insulating Material
- Certification
- ISO9001
- Brand
- Rainyan
- Transport Package
- Pallet
- Specification
- 0.13-0.35mm
- Trademark
- RY
- Origin
- China
- Production Capacity
- 5000000t
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Product Description
Products information
6520 polyester film composite electrical insulation paper is a two-layer flexible laminate in which polyester film is bonded with fish paper.
1 .Description:
6520 polyester film composite electrical insulation paper is made of electrical fish paper and polyester film layer formed by adhesive bonding. this material has a excellent performance in both electrical and mechanical properties.
2.Specifications:
1).Stardard: JB/T4059-1991.
2).Certification: ISO Quality certification;SGS System Certification;Electrical machinery industry by product quality supervision and inspection center material testing.
3).Thickness:0.15mm-0.60mm
4).Width:1000mm
5). MOQ:1000kg
6). Delivery time:15-20 days.
widly used for small motor and electrical insulation slot liner,gasket and turn to turn and layer insulation,liner insulation,transformer insulation,and other electrical insulation with termperature requirement not exceeding 120 C.
Class E insulation (120)
- High mechanical strength and excellent dielectric property.
- As slot, interturn and liner insulation for E-grade motors and electric appliances.
| Techincal data 6520 | |||||||||||||||||||||||||||||
| Nominal thickness | mm | 0.15 | 0.17 | 0.20 | 0.22 | 0.25 | 0.27 | 0.3 | 0.35 | 0.45 | 0.6 | ||||||||||||||||||
| Thickness tolerance | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.035 | ±0.045 | ±0.06 | ||||||||||||||||||
| Weight and tolerance | g/m2 | 190±28 | 215±32 | 250±38 | 275±40 | 310±46 | 330±50 | 370±55 | 490±73 | 550±80 | 730±110 | ||||||||||||||||||
| Film thickness | μm | 36 | |||||||||||||||||||||||||||
| Tensile strength | Lengthwise | Nomal | N/10mm | ≥100 | ≥110 | ≥125 | ≥130 | ≥150 | ≥175 | ≥200 | ≥240 | ≥360 | ≥400 | ||||||||||||||||
| After Bending | ≥70 | ≥75 | ≥80 | ≥85 | ≥95 | ≥100 | ≥110 | ≥180 | ≥275 | ≥320 | |||||||||||||||||||
| Crosswise | Nomal | ≥80 | ≥85 | ≥90 | ≥90 | ≥95 | ≥100 | ≥105 | ≥120 | ≥180 | ≥200 | ||||||||||||||||||
| After Bending | ≥50 | ≥50 | ≥50 | ≥55 | ≥60 | ≥70 | ≥80 | ≥115 | ≥175 | ≥190 | |||||||||||||||||||
| Elongation | Lengthwise | Nomal | % | 2 | ≥3 | ||||||||||||||||||||||||
| Crosswise | After Bending | ≥8 | ≥10 | ||||||||||||||||||||||||||
| Breakdown Voltage | Nomal | KV | ≥7 | ||||||||||||||||||||||||||
| After Bending | KV | ≥6 | |||||||||||||||||||||||||||
| Bonding strength at room temperature | - | - | No delamination | ||||||||||||||||||||||||||
| Bonding strength at (155±2)°C for 10 min | - | - | No delamination,blister and gummosis | ||||||||||||||||||||||||||




Company Information
Xuchang Ruiyuan insulation material co.,ltd insist on the
idea " GOOD QULAITY, GOOD SERVICE ". it is establish 20years old.
It is located in Xuchang City, Henan Province, China. From 2010 year old our company begin deal international trade, based on the original business. Till now we import and export to many contries, such as United Kingdom, Germany, France, Ukrain, Bulgaria, Italy, India, Pakistan, Bangladesh, Korea, Brzil and so on.
Our manufacturing technique is leading in this field and well known in the world. Now there are more than 20 product facilities, and 105 staff, including 5 senior technical, 20 intermediate technical. Main products are manufactured on international standard.
Our products mainly used for transformer and electrical motor, we produces insulation paper, insulation board, insulation tape,insulation film and also sales PTFE FR4 PA6 and cable wire.
We will develop with you by best-quality products, warm-hearted service and mutually beneficial cooperation!



About the Supplier
Company Profile
Xuchang Ruiyuan insulation material Co., Ltd insist on the idea " GOOD QULAITY, GOOD SERVICE ".
It is establish 20 years old.
We located in Xuchang City, Henan Province, China. From 2010 year old our company begin deal international trade, based on the original business. Till now we import and export to many contries, such as United Kingdom, Germany, France, Ukrain, Bulgaria, Italy, India, Pakistan, Bangladesh, Korea, Brzil and so on.
Our manufacturing technique is leading in this field and well known in the world. Now there are more than 20 product facilities, and 105 staff, including 5 senior technical, 20 intermediate technical. Main products are manufactured on international standard.
Our products mainly used for transformer and electrical motor, we produces composite insulation paper, electrical insulation board, teixble insulation tape and adhesive fiberglass tape, insulation film and also sales PTFE FR4 PA6 and cable wire.
We will develop with you by best-quality products, warm-hearted service and mutually beneficial cooperation!
About Our Factory & Business Background
- Address
- Yan'an Road Xuchang City Henan Province China, Xuchang, Henan, China
- Terms of Payment
- LC, PayPal, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- qingdao, shanghai, tianjin
Our Production Capability & Technical Expertise
- Main Products
- Poyester Film, Poyimide Tape, Pressboard, Presspan, Insulation Paper, Insulation Material, Shrink Tube, PVC Tape, Adhesive Tape, Laminated Sheet
Our Industry Experience & Global Business Record
- Export Year
- 2001-02-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What are the available thickness options?
- The standard thickness range is from 0.15mm to 0.60mm, with specific tolerances depending on the thickness selected.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1000kg.
- What is the delivery time for orders?
- The delivery time is typically 15-20 days. Peak and off-season lead times are within 15 workdays.
- What certifications does the product hold?
- The product holds ISO9001 certification, SGS System Certification, and complies with the JB/T4059-1991 standard.
- What are the main applications for this material?
- It is widely used for small motors, electrical insulation slot liners, gaskets, interturn and layer insulation, and transformer insulation.
- What are the payment terms accepted?
- We accept LC, PayPal, Western Union, and Money Gram as terms of payment.
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