The diamond presspahn (Diamond Dotted presspahn or DDP) is mainly used as insulation between layers of coils immersed in transformer oil. The arrangement of the rhombuses resin is such to allow oil flow between them when cured.
The presspahn diamond improves the cohesion of the winding over other systems because the epoxy resin acts as an adhesive.
Coils in total variable width depending on the needs and about 100 kg.
76 mm inner diameter.
also available in rolls cut from 10 mm width.