Standard Test Method for Vacuum Drainage of Asbestos-Cement Mixes
This test method can be used to estimate the speed of drainage and the rate of production of products from the fiber evaluated, in industrial applications. It may be applied to single grades of fiber, or to fiber blends, together with the same binder system and process water used in the process under evaluation.
1.1 This test method describes a laboratory procedure for the evaluation of asbestos fiber by measuring the rate of drainage under suction, of an asbestos-cement mixture.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 Warning-Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to "Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures."
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Note 1 and for specific hazard warnings.
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