ASTM C171-97a - 1.1.1997
 
1. Scope

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 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

E96/E96M-24a

Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials (Includes all amendments and changes 11/20/2024).

D4397-16(2023)

Standard Specification for Polyethylene Sheeting for Construction, Industrial, and Agricultural Applications

D829-97

Standard Test Methods for Wet Tensile Breaking Strength of Paper and Paper Products

C156-25

Standard Test Method for Water Loss [from a Mortar Specimen] Through Liquid Membrane-Forming Curing Compounds for Concrete

E1347-06(2020)

Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry