It is to be used in oil-immersed transformers for the insulation between of coils. On the insulation layer , there is a layer dotted epoxy resin that will be changed with high temperature change that is to be called as felt..
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.
It is a kind of material with inertia , dry and no conglutination at normal temperature (below 30 degree C). The Diamond Dotted paper will make the electric conductor forever felt u
p as a hard unit under the high temperature by its internal latency substance. When the temperature is rising up to 90 degree C, The diamond dotted paper begins one-off thaw and then one-off solidification. When to keep the temperature at 90 degree C for 90 minutes , the epoxy resin would paste on neighboring cable and paper safely. The felt intensity is as high as to 70psl at 100 degree C (The value at least is equal to 0.275Mpa , America standard)
DIMENSIONS:
THICKNESS (mm) : 0.08,0.13 ,0.18, 0.25, 0.38 ,0.50
WIDTH (mm) : 500, 625, 810, 960, 1000,1100,1219,1300