Made of birch tree,maple birch.
Thickness:10mm-80mm
Width: 1500*3000mm, 1200*2400mm,
Widely used for insulation parts of the oill immersion transformer and inductors,and used as suppporting material.
It has virtues such as specific density,high mechanical strengh,easy vacuum drying,no bad inter-reaction with transformer oil,and easy to be mechanical processed.The dielectric constant is close to transformer oil,so it makes a reasonable insulating match,and it can be used in transformer oil of 105 for a long time.
It has been widely applied to produce components such as upper and lower pressure pieces,supporting beams,limbs,spacer blocks in oil-immersed transformers and clamps in inductors.This products can replace steel sheets,insulating sheets,epoxy paper sheets,epoxy glass fiber woven laminated sheets in these fileds,thus cutdown the weight and cost of transformers.