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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.
1.1.2 Polyethylene Film:
188.8.131.52 White Opaque.
1.1.3 White-Burlap-Polyethylene Sheet
1.2 The values stated in SI units are to be regarded as the standard. Inch-pound units are provided in parentheses for information only.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. Procedures employing these materials are discussed in ACI 308R. 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C156 Test Method for Water Loss [from a Mortar Specimen] Through Liquid Membrane-Forming Curing Compounds for Concrete
D829 Test Methods for Wet Tensile Breaking Strength of Paper and Paper Products
D4397 Specification for Polyethylene Sheeting for Construction, Industrial, and Agricultural Applications
E96/E96M Test Methods for Water Vapor Transmission of Materials
E1347 Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry
ICS Number Code 91.100.30 (Concrete and concrete products)
UNSPSC Code 30111500(Concrete and mortars)
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ASTM C171-07, Standard Specification for Sheet Materials for Curing Concrete, ASTM International, West Conshohocken, PA, 2007, www.astm.orgBack to Top