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Product classification of stone waste
3. 1. 1 According to the method of plastics, wastes are divided into two categories:

A. Sawing surface blank (SS): All six surfaces are cut into shapes by sawing.

B. Splitting block (CS): one or more faces are formed by chiseling.

3. 1.2 Divide raw materials into three categories by volume (see table 1). Class I, Class II and Class III volume ≥ 3 ≥ 1 ~

3.3.2 Identification sequence of raw materials: naming and classification, specification and size, grade and standard number.

3.3.3 Marking example:

First-class white raw material produced in Fangshan, Beijing, with specifications of 250 cm×150 cm×100 cm? Fangshan white (m) cs 250×150×100 bjc202