Polymer insulation board with chrysotile asbestos and cement as the basic raw materials, the use of rotary network to copy the system board machine, copy slab, trimming and hydraulic technology made of high temperature arc can be used as the role of motor, electrical parts The board is processed and insulated varnish impregnated after processing can be used as the manufacture of electrical switch floor, electrical insulation materials, generally in the humidity of the place can also be applied, the board has a strong, high strength, corrosion resistance, Heat insulation, fire, etc. Polymer insulation products, must be strictly in accordance with the requirements, drying and dipping treatment, or can not be used as electrical insulation materials. Insulation requirements are too high, before re-drying