Diamond dotted paper DDP 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.
This is product id manufactured from insulation press paper and partially coated with epoxy resin on one or both side. The dots are arranged to have diamond pattern consisting of 9.5mm*9.5mm diamonds with 15.9 center spacing.
This design improves the mechanical strength of oil-immersed transformer winding without reducing partial discharge levels.
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.
|One side coating||um||6~12|
|Water extraction of Electrical conductity||mS/m||≤10|
|PH Water extract||6.5~8.5|
|Tensile strength N/10mm||TD||60||100||110||130||160||200||≥250|
1) Avaliable width: DDP strip minimum 4mm to master roll 1900mm.
2) Curing condition for Hecheng DDP: cured for 90℃ ± 5℃ by 3 hours first, then for 125℃ ± 5℃ by 6 hours.
3) Storage and Shelf life: Minimum 12 mouths, to be stored in dry, clean warehouse, avoid direct sunlight and heat.
a.1 year warranty
b.OEM & ODM are welcome
c.Trial orders are available
d.Sample can be supplied in 7days.
f.Shipping and express will be tracked and reported at any time after sending.
Packing & Delivery
|Size||1.1M (L) * 1.1M (W)|
|Packaging Details||1.sealed packing with cardboard protection in roll, sea worthy plywood pallet shipping; |
2.800kg-1000kg per pallet .
3.pallet size 1100x1100x1250mm (for width 1000mm coil)
4.Conveyance: 10 tons/20ft, 20tons/40HQ(no more than 27tons)
Welcome to contact Haotai, which is one of best diamond dotted insulation paper craft resin manufacturers and suppliers in China, you can also get diamond dotted insulation paper craft resin free sample from our factory.