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ASTM International - ASTM D646-96(2007)

Standard Test Method for Grammage of Paper and Paperboard (Mass Per Unit Area) (Withdrawn 2010)

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Organization: ASTM International
Publication Date: 1 August 2007
Status: inactive
Page Count: 5
ICS Code (Paper and board): 85.060
significance And Use:

Most paper is bought and sold in accordance with its mass per unit area, and therefore the grammage has great significance both to the consumer and the producer in defining price. Also the values... View More

scope:

1.1 This test method covers the determination of the grammage of paper and paperboard (mass per unit area). In English-speaking countries the customary or commercial practice of expressing the "weight" per unit area (more properly "mass per unit area") of paper has been "basis weight," "ream weight," or "substance," defined as the mass in pounds of a ream of a given sheet size and number of sheets (usually 500 sheets, occasionally 480 sheets). In most other countries and increasingly in English-speaking countries, the mass per unit area is expressed in grams per square metre. The French term for mass per unit area," grammage," is recommended by ISO Committee TC 6 on Paper for use in English as well as in French because of its convenience and clear relationship to grams per square metre.

1.2 The mass per unit area of paperboard has been expressed in the customary system as the mass in pounds per thousand square feet, and in the metric system as grams per square metre.

1.3 The SI metric units, in which grammage (mass per unit area) is expressed in grams per square metre (g/m2), are the preferred units for ASTM test methods for paper and paperboard.

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.

Document History

July 1, 2013
Standard Test Method for Mass Per Unit Area of Paper and Paperboard of Aramid Papers (Basis Weight)
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...
ASTM D646-96(2007)
August 1, 2007
Standard Test Method for Grammage of Paper and Paperboard (Mass Per Unit Area) (Withdrawn 2010)
1.1 This test method covers the determination of the grammage of paper and paperboard (mass per unit area). In English-speaking countries the customary or commercial practice of expressing the...
January 1, 1996
Standard Test Method for Grammage of Paper and Paperboard (Mass Per Unit Area)
1.1 This test method covers the determination of the grammage of paper and paperboard (mass per unit area). In English-speaking countries the customary or commercial practice of expressing the...
January 1, 1996
Standard Test Method for Grammage of Paper and Paperboard (Mass Per Unit Area)
1.1 This test method covers the determination of the grammage of paper and paperboard (mass per unit area). In English-speaking countries the customary or commercial practice of expressing the...
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