ASTM D5703-1995(2001)
粘土砖石工用表面预清洗标准规范

Standard Practice for Preparatory Surface Cleaning for Clay Brick Masonry

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标准号

ASTM D5703-1995(2001)

发布日期

1995年

实施日期

废止日期

无

中国标准分类号

Q15

国际标准分类号

25.220.10 (Surface preparation)

发布单位

US-ASTM

适用范围

1.1 This practice covers non-abrasive surface cleaning of clay brick masonry to remove surface contaminants such as dirt, grease, loose material, soot, fly ash, hydrocarbon residues, algae, etc. in preparation for the application of water repellent coatings without damaging or altering the surface appearance of the clay brick masonry.

1.2 Procedures included in this practice are water cleaning, detergent water cleaning, pressurized water cleaning, steam cleaning, and acid cleaning. It is not intended for the cleaning of newly constructed brick masonry. Use of procedures described in this practice may not be appropriate where the surface is of a historical nature.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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. For specific hazard information see Section 5 and Note 2 and Note 3.