UNI EN 21974:1995被替代
Paper - Determination Of Tearing Resistance (elmendorf Method)
出版：Italian Standards
专家解读视频
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.
Supersedes UNI 6444 (06/2004)
SS EN 21974 Ed. 1 (1995) - Identical
UNE EN 21974:1996 - Identical
ISO 2974:2005 - Equivalent
I.S. EN 21974:1994 - Identical
NF EN 21974:1994 - Identical
NBN EN 21974:1995 - Identical
BS EN 21974:1994 - Identical
DIN EN 21974 (1994-09) - Identical
ONORM EN 21974:1994 - Identical
SN EN 21974:1995 - Identical
