In 750A, 750 should be the corresponding wire diameter […]
In 750A, 750 should be the corresponding wire diameter of 840D, and A- refers to plain weave.
The 840A was accurate, not the 750A. Because of the naming relationship of people later, 750A was used instead of 840A. However, the type of filter cloth in the industry is still limited by this.filter press filter cloth Manufacturers
Development: Filter cloth is a filter medium woven from natural fibers or synthetic fibers. Includes metal mesh or strainer. Mainly used in air filtration and dust removal, dust collection powder to purify the air and protect the environment, in smelters, chemical plants, sugar, dyes, medicine, food and other industries