EN 21974:1994
Superseded
View Superseded by
Paper - Determination of tearing resistance (Elmendorf method) (ISO 1974:1990)
06-30-1994
05-01-2012
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
It can also be used for light boards if the tearing resistance is within the range of the instrument, does not apply to corrugated fibreboard and is not suitable for determining the cross-direction tearing resistance of highly directional paper or board.
| Committee |
CEN/TC 172
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NEN ISO 1974 : 1994 | Identical |
| I.S. EN 21974:1994 | Identical |
| DIN EN 21974:1994-09 | Identical |
| NF EN 21974 : 1994 | Identical |
| NS ISO 1974 : 1ED 1994 | Identical |
| PN EN 21974 : 2002 | Identical |
| ISO 1974:2012 | Identical |
| NBN EN 21974 : 1995 | Identical |
| BS EN 21974:1994 | Identical |
| UNE-EN 21974:1996 | Identical |