Technical Characteristics For Calcium Carbide 25/80. Chemical And Granulometric Composition. The Name Of The Indicators Of The Dm3/Kg Liths, The Norm For The 25/80 Variety Is At Least - 1 Variety 285 Code Okp 2155 31 0230 04, Code Okp 2155 31 0240 02 - 2 Variety 265. The Volumetric Fraction Of Hydrogen Phosphoria (Ph3) In Acetylene Is Not More Than 0.08 %. The Mass Fraction Of Sulfide Sulfur Is Not More Than 1.2 %. The Mass Fraction Of Free Carbon Is No More - Not Normalized. The Mass Fraction Of Calcium Oxide (Cao) Is Not Normalized. The Mass Fraction Of The Ferroalloys Is Not More Than 1.0 %. The Mass Fraction Of Pieces%, No More Than 100 Mm - Sto, From 80 To 100 Mm - 10%, From 25 To 50, Less Than 25 Mm - 7%, Including Less Than 2 - 2%. Gost 1460-2013
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