Method for producing asbestos-free calcium silicate board and the board produced thereby

摘要

This invention relates to a method for making an asbestos-free calcium silicate board, which comprises preparing a slurry of a mixture of silicic acid material, lime material, fibrous wollastonite and pulp with a large amount of water, forming the slurry into a raw board by means of the sheet-forming technique, steaming the raw board and drying. This invention also relates to the board produced in accordance with the above method.