MIL-DTL-43994D
ASTM INTERNATIONAL
ASTM D4956
Standard Specification for Retroreflective Sheeting for Traffic Control
(Copies of this document are available from www.astm.org or ASTM International, 100 Barr Harbor
Drive, PO Box C700, West Conshohocken, PA 19428-2959.)
AMERICAN SOCIETY FOR QUALITY (ASQ)
ASQC Z1.4
Sampling Procedures and Tables for Inspection by Attributes
(Copies of this document are available from www.asq.org or the American Society for Quality, 611
East Wisconsin Avenue, Milwaukee, WI 53202.)
2.4 Order of precedence. In the event of a conflict between the text of this document and the
reference cited herein, the text of this document takes precedence. Nothing in this document,
however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see
6.3) in accordance with 4.2.
3.2 Material. It is encouraged that recycled material be used when practical as long as it meets the
requirements of this specification.
3.2.1 Reflective sheeting for type I and II markers. The reflective sheeting shall have a pressure-
sensitive adhesive backing covered by a protective liner and shall conform to class 4 of ASTM D4956.
3.2.2 Reflective sheeting for type III markers. The reflective sheeting shall have a pressure-sensitive
adhesive backing covered by a protective liner and shall conform to class 1 of ASTM D4956.
3.3 Design and color. All colors specified herein, except black, shall conform to ASTM D4956.
3.3.1 Type I, markers 1, 2, 3 and 4. The markers shall be made from the material specified in 3.2.1.
The designs and dimensions shall conform to figure 1. A tolerance of ± 1/4 inch shall apply for the size
24-inch marker dimensions. A tolerance of ± 1/8 inch shall apply for the size 12-inch marker
dimensions. The color of the background shall be orange. The color of the numbers shall be black No.
17038 of FED-STD-595.
3.3.2 Type II markers. The markers shall be made from the material specified in 3.2.1. The
designs and dimensions shall conform to figure 2. A tolerance of 1/4 inch shall apply for the size
24-inch marker dimensions. A tolerance of ± 1/8 inch shall apply for the size 12-inch marker
dimensions.
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