DS DS/EN 20534
DS DSEN 20534 1993-OCT-20 Paper and board - Determnaton of thckness and apparent bulk densty or apparent sheet densty Replaced by DS DSEN SO 534
DS DSEN 20534 1993-OCT-20 Paper and board - Determnaton of thckness and apparent bulk densty or apparent sheet densty Replaced by DS DSEN SO 534
The standard specifies 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.