ASTM D646 - 13

    Standard Test Method for Mass Per Unit Area of Paper and Paperboard of Aramid Papers (Basis Weight)

    Active Standard ASTM D646 | Developed by Subcommittee: D13.19

    Book of Standards Volume: 07.01


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    Significance and Use

    4.1 Most paper is bought and sold in accordance with its mass per unit area, and therefore has great significance both to the consumer and the producer in defining price. Also, the values of many physical properties such as bursting strength, thickness, and bulk are interpreted and specified with regard to the particular mass per unit area involved.

    1. Scope

    1.1 This test method covers the determination of the mass per unit area of paper and paperboard.

    1.2 In the SI metric units system, the mass per unit area of paper and paperboard is expressed in grams per square meter (g/m2).

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

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D123 Terminology Relating to Textiles

    D685 Practice for Conditioning Paper and Paper Products for Testing

    D1776 Practice for Conditioning and Testing Textiles


    ICS Code

    ICS Number Code 85.060 (Paper and board)

    UNSPSC Code

    UNSPSC Code 11151514(Polymer aramid fibers); 14121500(Paperboard and packaging papers)


    DOI: 10.1520/D0646

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