The Diamond Dotted Paper , alias such as: epoxy adhesive diamond paper, Diamond Dotted Presspaper , Double sided Diamond Pattern Paper, DDPP, DPRCP , D.D.P , DPP, Diamond Dotted insulating Paper , Varnished Paper , etc.
WIDTH (mm) : 1000, 1200, and can be customized
COLOR: GOLDEN, RED, NATURAL
FORMS OF SUPPLY:
Available width: DDP strip minimum 4mm to master roll 1900mm
Curing condition for Hecheng DDP: cured for 90℃±5℃ by 3 hours first, then for 125℃±5℃ by 6 hours.
Storage and shelf life: Minimum 12 months, to be stored in dry, clean warehouse, avoid direct sunlight and heat.
The dots are arranged to have diamond pattern cosisting of 9.5mm x 9.5mm diamonds with 15.9mm center spacing. This design improves the mechanical strength of oil-immersed transformer windings without reducing partial discharge levels.
And our slitting machines can provide slitted width from 4mm to 1900mm. We carry out full inspection and testing before/during/after production, which testing records are all kept for 2 years. Tracking of every batch of cargo is accomplished by these records.