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1.1 This test method measures the force perpendicular to the plane of the paper required to tear multiple sheets of paper through a specified distance after the tear has been started, using an Elmendorf-type tearing tester. The measured results can be used to calculate the approximate tearing resistance of a single sheet. In the case of tearing a single sheet of paper, the tearing resistance is measured directly.
Note 1- Similar procedures for making Elmendorf-type tear measurements are found in ISO 1974 and TAPPI T414.
1.2 This test method is not suitable for determining the cross-directional tearing resistance of highly directional boards and papers.
1.3 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.
ISO StandardISO 1974 PaperDetermination of Tearing Resistance (Elmendorf method)
TAPPI StandardTAPPI T414 Internal Tearing Resistance of Paper
D646 Test Method for Mass Per Unit Area of Paper and Paperboard of Aramid Papers (Basis Weight)
D685 Practice for Conditioning Paper and Paper Products for Testing
D1749 Practice for Interlaboratory Evaluation of Test Methods Used with Paper and Paper Products
E178 Practice for Dealing With Outlying Observations
ICS Number Code 85.060 (Paper and board)
UNSPSC Code 14000000(Paper Materials and Products)
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ASTM D689-96a, Standard Test Method for Internal Tearing Resistance of Paper, ASTM International, West Conshohocken, PA, 1996, www.astm.orgBack to Top