January 09, 2025

Electrical Insulation Phenolic Paper Laminated Tube Insulation Material

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Model NO.: Electrical insulation phenolic paper laminated tub
Length: 1000mm /Customized
Services: OEM, ODM, CNC Available
Temperature: 120ºC-180ºC
Standard: IEC61212-1:2006
Trademark: xincheng
Transport Package: Wooden Case
Specification: piece
Origin: China
HS Code: 482300000
 Specifications
Place of Origin: China (Mainland)                                          Brand Name: XINCHENG
Model Number: bakelite Tube for transformer( bkl)              Type: bakelite Tube for transformer( bkl tube )
Temperature: 120ºC-180ºC                                                  Application: High Voltage
Material: phenolic resin and cable paper                             Use: Fit for insulating parts
Rated Voltage: 33KV                                                           Tensile Strength: 10.4Mpa
Color: Brown, orange, Light Green ,Natural ,Black             Type: Insulation tube
Outer diameter: 10-1400 mm /customized                          Length: 1000mm /customized    
Certification: ISO9001:2000 , CE/ROHS                            Services: OEM,ODM,CNC available
Standard: IEC61212-1:2006
 
 
Product Description
 Character and Application:
It is suitable for mechanical & electrical applications, with good electrical properties in oil and under normal conditions;
Date sheet
 Bakelite tube
 No. Item Units Value
 
1 Applicable Standards - JB/T 3172-1999
2 Density g/cm³ 1.03~1.20
3 Bending strength perpendicular to laminations MPa 50
4 Impact strength MPa 50
5 Bonding strength MPa -
6 Voltage endurance parallel to lamination (in oil 90±2°C) kV 20
7 Voltage endurance perpendicular  to lamination (in oil 90
±2°C) 		kV/mm 6.0
8 Insulation resistance
Impregnated in water 		MΩ -
9 Water absorption, wall thick 5mm % 6.0
10 Temperature index OC 120
 
Size : ID:10MM TO 600MM . Wall thickness :Min :1.5mm
 
Technical data:
Properties Unit Grade
Phenolic Paper Laminate Tube
Inside diameter(5-25mm) Inside diameter (>25mm)
Density g/cm3 ≥1.03 ≥1.20
Water absorption rate % Wall thickness 3mm   ≤8
Thermostability(24h) °C 120 120
Flexural strength MPa ≥50.0 ≥60.0
Compressive strength MPa ≥50.0 ≥60.0
Shear strength MPa - -
Dissipation factor 50Hz   ≤0.03 ≤0.03
Dielectric strength perpendicular to laminations(withstand voltage) kV/mm Wall thickness 1.5-2.5mm ≥8.5 ≥8.5
(in 90±2°C/5min transformer oil) >2.5-3.5mm ≥8.0 ≥8.0
>3.5-4.5mm ≥7.0 ≥7.0
>4.5-6mm ≥6.5 ≥6.5
>6-9mm ≥6.0 ≥6.0
Dielectric breakdown parallel to laminations (in 90±2°C/5min transformer oil) kV   20   25
Surface withstand voltage (in case of humidity, under normal condition air withstand voltage 1 min) kV   12   12
             
 
 
Electrical winding paper immersed with phenolic resin and partially curing, then baking and finished by hot rolling. Heat resistance class is E class.
3520 has good mechanical and electrical property, can be used for motors and electrical equipment, also can be used for transformers.
 
Phenolic Paper Tube Technic data:
 NO. TEST ITEMS UNIT REQUIREMENT TEST RESULT TEST METHOD
1 DENSITY g/cm3 ≥1.10 1.14  GB/T3172-1999


 
2 WATER ABSORPTION % ≤8 8
3 THERMAL STABILITY
(120 degree ,/24 H )		 - No crack,
no muster		 No crack,
no muster
4 VERTICAL ELECTRICAL STRENGTH
 (in oil 90°C ,five minutes)		 - 8.0MV/m 8.0MV/m pass
5 DIELECTRIC LOSS FACTOR - ≤3x10-2 2.1x10-2
Note: the sample is prepared by the client.
The following blanks
 
 
Packaging & Delivery
Outer packaging Details: pallets
Inner packaging Details
1. Special packaging: 
Class A: carton + wooden + iron packaging 
Class B: bubble bag + carton + plastic packaging 
Class C: bubble bag + carton + particles bag 
Class D: bubble bag + carton 
2. Normal packaging: carton 
3. Convenience packaging: PE bag, particles bag.
Delivery Detail:  Shipped in 20 days after payment
 
 
Our Services
We also CNC to your CAD drawing, cut to size customized, and sell full sheets in quantity. This epoxy glass fabric laminated sheets material is also available THINNER and THICKER. Please call our Sales Department for information.
 
FAQ
1.What is the minimum ordering quantity ?   
   MOQ can be a small quantity even 10 kgs to meet various needing . 
 2.Do you have stocking for different thickness ?  
   Yes, We have 25 tons stock for common stock . Production time is very fast if one certain not in stock . 
3. Can we order mixed thickness for one order ?
    Yes, We could match your ordering request even mixed different  thickness and colors . 
4.Can you give me a discount price?
     It is depending on the volume, the larger the volume is ,the more discount you can enjory. 
5.  What are your design capabilities?
     We have staff trained in AutoCAD and several design programs. We can work with many  different file formats, as well as develop designs based on sketches, drawings, blueprints and other formats.  
 
 
Please Contact Us
 Miss: lydia
Mob: 86-13752439076      Fax: 86-22-60863016        
http://www.chinainsulatingmaterial.com
 
 
 
 

 
Electrical Insulation Phenolic Paper Laminated Tube Insulation Material
Electrical Insulation Phenolic Paper Laminated Tube Insulation Material
Electrical Insulation Phenolic Paper Laminated Tube Insulation Material
Electrical Insulation Phenolic Paper Laminated Tube Insulation Material
Electrical Insulation Phenolic Paper Laminated Tube Insulation Material
Electrical Insulation Phenolic Paper Laminated Tube Insulation Material
 

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