Gold Member Since 2016
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Shanghai Yuxiang Electrical Material Co., Ltd.

Kraft Paper, Insulation Paper, DDP manufacturer / supplier in China, offering Insulation Material DDP (kraft paper), Environmental Protective Paper Hook, Paper Hook for Socks and Gloves and so on.

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Supplier Homepage Product Diamond Paper Insulation Material DDP (kraft paper)

Insulation Material DDP (kraft paper)

FOB Price: US $2.6-2.95 / kg
Min. Order: 500 kg
Min. Order FOB Price
500 kg US $2.6-2.95/ kg
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Port: Shanghai, China
Production Capacity: 10, 000, 000 Kg+
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: DDP-kraft paper
  • Type: Insulation Paper
  • Material: Paper
  • Maximum Voltage: <10KV
  • Certification: ISO9001, SGS
  • Brand: Yuxiang\Yohann
  • Transport Package: Carton
  • Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Transformer\Capacitor\Reactor
  • Chemistry: Inorganic Insulation
  • Thermal Rating: B 130
  • Classification: Inorganic Insulation Material
  • Color: Brown
  • Trademark: Yuxiang
  • Origin: Shanghai, China
Product Description
Description: DDP is produced by coating modified epoxy-resin in diamond-dotted patterns on electrical insulating paper.
Advantages: In the process of coil desiccation, the coated epoxy-resin would be melted in a certain temperature and become adhesive. With the temperature increased, the melted resin would cure to C-stage, and firmly adhere each adjoining layer of the coil, thus forming a winding section. If a short circuit occurs in the coil, the resin bond strength would sufficiently prevent the displacement of each winding layer, which ensures the long-term mechanical and physical properties of the insulation structure. As the resin coating distributes in a diamond-dotted pattern, little quantity of the resin would soak into the insulating paper during the melting and curing process, which ensures the elimination of air content in the insulating paper and guarantees the soakage of oil, minimizing the damages of corona and partial discharge.
Applications: It is suitable for turn-to-turn insulation of coil wires on oil-immersed power transformers and suitable for layer insulation of coils on distribution transformers.
Insulation Material DDP (kraft paper)
Insulation Material DDP (kraft paper)

 
ITEMPropertyUnitIndex 
1Thickness and Tolerancemm0.08
±0.005
0.13
±0.007
0.18±0.010.20±0.010.25
±0.01
0.30
±0.01
0.35
±0.02
0.38
±0.02
0.45±
0.02
0.50±
0.03
 
 
2Densityg/cm³0.85~1.10 
3One Side Coatingµm6~1210~15 
4Moisture Content %4.0~8.0 
5Ash Content %                              1.0 
6Water Extraction of Electrical ConductivitymS/m10 
7PH Water Extract 6.5~8.5 
8Oil Absorption%20 
9Bond
Strength
Normalcy         Kpa650
100ºC±2400
10Tensile StrengthTD 
N/10mm                 
60110160180230250 
MD30507080100120 
11BDVKV0.881.372.002.102.252.50 
2.Curing conduction stock
2.1 Curing: 90ºC±2 ºC/3h firstly , then130ºC±5ºC/6h,  or according customer needs
2.2 Storage: ≤30ºC, dry, clean in warehouse. Avoid fire, heat and sunlight.
2.3 Storage life: 6 months. Still effective if qualified in retest after 6 months.
 
 
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