Common insulation materials
Insulating materials can be classified into organic materials and inorganic materials according to their chemical composition. Organic insulating materials are the most widely used; inorganic insulating materials, such as mica, glass, asbestos, etc., are generally used in conjunction with organic insulating materials to overcome the weakness of their mechanical properties.
Material numbering rule example
In order to facilitate management and selection, various insulating materials are uniformly numbered, such as 1032, 2432, 3280, and so on. The four digits have the following meanings:
The first digit indicates the classification of the insulating material. 1 - indicates insulating varnish, resin and glue; 2 - indicates insulating impregnated fiber; 3 - indicates insulating laminate; 4 - indicates insulating plastic; 5 - indicates insulating mica.
The second digit indicates different varieties of the same material. As in the first type of material, 0 and 1 represent the lacquer; and 2 represents the lacquer. In another example, 0, 1, 2 means cotton fiber varnish; 4, 5 means glass fiber varnish; 6 means semiconductor varnish and adhesive tape; 7 means paint tube; 8 means film; 9 means film product.
The third digit indicates the insulation resistance of the material. Such as 1 - A level; 2 - E level; 3 - B level; 4 - F level; 5 - H level; 6 - C level.
The last digit indicates the material serial number to indicate the difference in formulation, composition and properties of the same type of insulating material, such as 1032 and 1031, which are both Class B insulating impregnating lacquers, but 1032 is melamine alkyd paint and 1031 is butyl phenolic alkyd. paint.
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