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UNI EN 21974 : 1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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PAPER - DETERMINATION OF TEARING RESISTANCE (ELMENDORF METHOD)

Superseded date

05-07-2012

Superseded by

UNI EN ISO 1974 : 2012

Published date

01-01-1995

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Committees responsible
National foreword
Method
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Apparatus
6 Sampling
7 Conditioning
8 Preparation of test pieces
9 Procedure
10 Calculation and expression of results
11 Precision
12 Test report
Annexes
A Description, adjustment and maintenance of single
     tear testers
B Calibration of apparatus
C Units
Figure
A.1 Elmendorf-type tearing apparatus

Describes a method for determining the tearing resistance of paper. Can be used for light boards if the tearing resistance is within the range of the instrument. Does not apply to corrugated fibreboard, but may be applied to the components of such boards. Not suitable for determining the cross direction tearing resistance of highly directional paper. Includes normative references, definitions, principle, apparatus, conditioning, preparation of test pieces, procedure, calculation and expression of results, precision and test report.

DevelopmentNote
Supersedes UNI 6444 (06/2004)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NBN EN 21974 : 1995 Identical
I.S. EN 21974:1994 Identical
SN EN 21974 : 1995 Identical
UNE-EN 21974:1996 Identical
BS EN 21974:1994 Identical
EN 21974:1994 Identical
DIN EN 21974:1994-09 Identical
NF EN 21974 : 1994 Identical

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