The Chengde product quality supervises examination center survey report to receive the nature (01) the character (0154) number product range ordinary Portland cement model specification 42.5MPa to examine unit Luanping County three advantage cement plant examination category periodic inspection the Production unit examination examination project standard request check result single item to determine with on sample rank quality products sampling place storehouse sampling date 2007-2-2 sample quantity 12kg high triumphant Zheng friend sampling cardinal number 200t production date 2007-1-1 the based on GB175-1999 examination project physical property the anti-booklet intensity Mpa 3 day of ≥3.5 4.1 qualified 28 day ≥6.5 8.5 qualified compressive strength Mpa 3 day of ≥16.0 23.7 qualified 28 day ≥42.5 45 qualified set time prehardening time ≥45min 2h30min qualified final set time ≤10h 4h20min qualified the stability measures with the eye below non-crack meet standards request qualified degree of fineness % ≤10.0 3.2 qualified sulfur trioxide % ≤3.5 2.1 qualified loss on ignition % ≤5.0 3.1 qualified blank the examination conclusion this batch of product quality according to the GB175-1999 standard examination, examines the project to be qualified. the examination unit stamps the date issue: on March 12, 2007 note authorization: Verification: The host examines:
参考资料:yahoo