Nomex paper T-411 impregnated with adhesive varnish and its application

The authors show that adhesive Nomex paper 411 has operated for a long time in many rotor coils of generators. It is of stable quality, they are going to push this product as a new insulating material to the market. Nomex insulating paper 411 is a non-rolled smooth paper, this kind of paper is of heat shrinkage and easy moisture absorption type. The paper will be extended both crosswise and longitudinally, so, it must be treated by heat-shrinkage before use, so as to avoid quality problems by shrinkage in application. Mechanical performance of non-rolled smooth paper Nomex 411 is not as good as 410, so the ideal applied state for adhesive Nomex paper is to treat it by heating extrusion and fixing in the structure, for instance, insulation between turns of magnetic pole coils in a synchronizer, so that it improves the mechanical strength.