<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_c6267e3c-9823-41b9-b568-73d29f8f4df5" outputclass="ncc-clause"><sptc>S2C4</sptc><title id="_030416e4-4da8-4b91-83d7-c97ad089373f">Gypsum-sand mortar and plaster</title><archive-num>2019: Sch. 5 (Annex): 1.3</archive-num><subclause id="_b84c317f-3a9d-4da4-b84d-c79fb233ca9d" outputclass="subclause"><title id="_d0ccb3ff-1674-46c3-a03e-af496aee1abd">SubClause</title><num>1</num><p>Gypsum-sand mortar and gypsum-sand plaster must consist of either—</p><ol outputclass="alpha"><li id="_90e9de95-24a8-46df-9293-b4691d1f2e46">not more than 3 parts by volume of sand to 1 part by volume of gypsum; or</li><li id="_600e64c1-0ad4-4bdb-9f3c-6735d4af641e">if lime putty is added, not more than 2.5 parts by volume of sand to 1 part by volume of gypsum and not more than 5% of lime putty by volume of the mixed ingredients.</li></ol></subclause></clause>