aluminum foil strip

Paper Covered Aluminum Wire

Source:Original Editing:Frank Time: Email
Paper covered insulated aluminium magnet wire and strip

Telephone cable paper / 3M paper / MIKITOKU paper covered insulated aluminum maget wire and strip
Product Introduction: 
Telephone cable paper covered aluminum wire, also known as plain paper covered insulated aluminum, according to customer requirements, in the aluminum conductor winding three or more layers of cable paper or telephone paper. Plain paper covered wire is oil immersed transformer coil and similar electrical coil of special material, after the immersion using temperature index of 105℃. According to customer requirements, and can be divided into phone paper, cable paper, high voltage cable paper, paper and other winding insulation.
Production Range:
1.Aluminum flat wires strips
  Thickness: 1mm--7mm
  Width: 3.0--20mm
2.Aluminum round wires strips
  Diameter: 1.9mm--10.0mm
If required special size, please contact us.

Standard : IEC,NEMA,GB, JIS
Package : 30kg/50kg/150kg wooden spool or according to customers requirements

Product Name and Type

Product Name Type Product Name Type
Paper covered round copper wire strip Z Paper covered flat copper wire strip ZB
Paper covered round aluminum wire strip ZL Paper covered flat aluminum wire strip ZLB
500KV transformer interturn insulation paper
 covered round copper wire
ZA 500KV transformer interturn insulation 
paper covered flat copper wire
500KV transformer interturn insulation paper
 covered round aluminum wire strip
ZAL 500KV transformer interturn insulation 
paper covered flat aluminum wire strip


Project Name Standard Test tool
Conductor size and R corner radius Follow standard of GB/T7673.1-87 Micrometer and R type
Bend The specimen is not cracked, no crack, 
no obvious sticking out of the paper, 
according to the standard curve.
Experimental round rod and 
flat wire bending apparatus

Paper Covered Round Wire Insulation Thickness
Standard Insulation Thickness(mm) 0.3 0.45 0.80 1.20 1.80 4.25
Tolerance(mm) ±0.05 ±0.05 ±0.10 ±0.12 ±0.15 ±0.30
Paper Covered Flat Wire Insulation Thickness
Standard Insulation Thickness(mm) 0.45 0.60 0.95 1.35 1.60 1.95 2.45 2.95
Maximum Insulation Thickness(A-a) 0.57 0.74 1.14 1.56 1.84 2.23 2.77 3.32
Minimum Insulation Thickness(B-b) 0.40 0.53 0.85 1.20 1.45 1.80 2.30 2.75

Application of Paper Covered Magnet Wire :
Paper Covered Magnet Wire is used in oil-immersed transformer and other similar electrical coil windings.

■ Specifications :
Paper Covered Wire
Cable Paper Covered Aluminum/ Copper Wire
Telephone Paper Covered Aluminum/ Copper Wire
Sunwood Paper Covered Aluminum/ Copper Wire
NOMEX Paper Covered Aluminum/ Copper Wire
High-voltage Cable Paper Covered Aluminum/ Copper Wire
Inner Turn Insulation Paper Covered Aluminum/ Copper Wire
Papers are applied with butt intercalation in the following manners :
*2 papers- double butt intercalation- advanced 40-60%.
*3 papers- triple butt intercalation-advance 28-38%.
Papers are lapped in the following manners :
*One paper applied with 47-49% overlap-equivalent to 2 papers.
* One paper applied with 64-66% overlap-equivalent to 3 papers.
*Two papers each applied in one of the above manners.

Production Process : 

Packing Process : 

Step 1 :  Plastic film and kraft paper packaging, ensure neat and clean, dry ;  

2. Wooden box packaging, the outside fixed with packing belt, safe and reliable ;