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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 inch-pound units are to be regarded as the standard.
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
ACI StandardACI308R Standard Practice for Curing Concrete Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http://www.aci-int.org.
ICS Number Code 91.100.30 (Concrete and concrete products)
UNSPSC Code 30111500(Concrete and mortars)