UNE EN 20534:1994被替代
Paper And Board - Determination Of Thickness And Apparent Bulk Density Or Apparent Sheet Density
出版：Asociacion Espanola de Normalizacion
专家解读视频
Explains two methods of measuring the thickness of paper and board and of calculating the apparent bulk density or the apparent sheet density from the thickness determinations. Not applicable to corrugated fibreboard and, to certain soft papers. It should be noted that two alternative pressures are permitted in the pressure of 100 kPa plus or minus 10 kPa is preferred. Covers normative references, definitions, principle, apparatus, sampling, conditioning, preparations of test pieces, procedure, expression of results, precision and test report.
Supersedes UNE 49401-9, UNE 57004, UNE 57008 and UNE 57081. (07/2003)
UNI EN 20534:1994 - Identical
I.S. EN 20534:1994 - Identical
SS EN 20534 Ed. 1 (1994) - Identical
ISO 534:2005 - Identical
NBN EN 20534:1994 - Identical
BS EN 20534:1994 - Identical
DIN EN 20534 (1993-10) - Identical
ONORM EN 20534:1993 - Identical
SN EN 20534:1994 - Identical
NF EN 20534:1993 - Identical
