ASTM C171-20

Standard Specification for Sheet Materials for Curing Concrete

ASTM International, 11/01/2020

Publisher: ASTM

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Published:01/11/2020

Pages:2

File Size:1 file , 61 KB

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1.1''This specification covers materials in sheet form used for covering the surfaces of hydraulic cement concrete to inhibit moisture loss during the curing period and, in the case of the white reflective type materials, to also reduce temperature rise in concrete exposed to radiation from the sun. The following types are included:

1.1.1''Curing Paper:''

1.1.1.1''Regular.

1.1.1.2''White.

1.1.2''Polyethylene Film:''

1.1.2.1''Clear.

1.1.2.2''White Opaque.

1.1.3''White-Burlap-Polyethylene Sheet.

1.2''The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

Note 1:''This specification does not cover materials such as burlap, cotton mats, or rugs used with additional applications of water to maintain a water-saturated environment on such surfaces. Sheet materials having additional characteristics such as insulating properties and the ability to carry additional water to the curing region are commercially available but are not currently addressed in this specification.

1.3''The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes shall not be considered as requirements of the standard.

1.4''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM C171-20

Standard Specification for Sheet Materials for Curing Concrete

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