DDP is a special modified epoxy resin with diamond shape on electrical insulation paper. The product is widely used in interlayer insulation and turn-to-turn insulation of oil-immersed power transformer. When used, the coating begins to melt at a certain temperature during the coil drying process, which produces adhesion effect. With the increase of temperature, it begins to solidify again, so that the adjacent layers of the winding can be reliably bonded into a fixed unit. The adhesive strength of epoxy resin is enough to prevent the displacement of each layer of winding during short circuit, thus ensuring the electrical and mechanical properties of long insulation structure.
Pressure dispensing paper diamond-glued insulating paper is a double-sided diamond-glued insulating paper, which is made of power cable paper as base material, composite epoxy resin as adhesive, printed on base material by special equipment and rolled up by baking and drying. The product has good insulation and processability. When transformer dispensing, it can be used as adhesive. When paper is heated, the glue layer melts, and the windings are bonded together, maintaining sufficient tension.
Mainly used as key insulating materials for foil coils and non-impregnated coils of transformers and other electrical appliances. Using the adhesive paper as interlayer insulation can save the dipping process, save raw materials and energy, improve the heat dissipation effect of electrical appliances, and prolong the service life of electrical appliances.
It effectively avoids corona and partial discharge, thus ensuring the safety and reliability of insulation structure. It can also be used as cable shielding isolation layer and corona-proof material for high voltage motors and electrical appliances.
Our company has 60 years’ production experience. The DDP is certified by ROHS. It has the most advanced diamond dotted paper production line in China, with a monthly output of 60 tons. The base paper is the best quality raw paper all around China. Our DDP can be 960mm, 980mm, 1000mm, 1200mm, 1600mm, 1800mm, 2000mm in width, and can be cut to a width of 20mm or more according to different customers’ requirements. What’s more, it can be packed in a variety of sizes, in small rolls (50kg/roll). Our products are always rich in stock. The customers are all over the world, Europe, Asia, Africa, North America, Oceania etc.
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