Full Description
Composition, grading, soundness of Grades A, B, C, D. Transverse strengths of Grades A and B, mechanical resistance of Grades B, C and D. Expansion on setting for Grade B.
Cross References: BS 410*BS 3763*BS 4049*BS 4551*
Replaced by BS EN 13279-1:2005 and BS EN 13279-2:2004 but remainscurrent until the relevant amendment to the BS EN 13279-1 National Foreword has been published.