Tenders Are Invited For Slag, Dross, Ferrous Waste And Scrap – Supplies Of Ground Blast Furnace Slag in Poland

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Slag, Dross, Ferrous Waste And Scrap – Supplies Of Ground Blast Furnace Slag. 1. The Subject Of The Order Is The Sale And Delivery Of A Maximum Of 1,958 Tons Of Blast Furnace Slag Ground In Accordance With The Pn-En 15167-1 Standard Or Other Types Of By-Products Of High-Temperature Processing Of Metal Ores With Equivalent Solutions. 2. Equivalent Solutions Should Be Understood As Meaning That The Offered Material Is A By-Product Of High-Temperature Processing Of Metal Ores, Which Will Meet The Following Physico-Chemical Properties: No. Property Required 1 Mgo Content ≤ 18% 2 S2- Content ≤ 2% 3 So3 Content ≤ 2.5% 4 Chloride Content* ≤ 0.10% - The Maximum Content May Be Higher Than 0.1%, In This Situation The Maximum Chloride Content Should Be Declared By The Contractor 5 Moisture Content ≤ 1.0% 6 Glassy Phase Content > 66.6% 7 Specific Surface Area ≥ 275 M2/Kg 8 Loss On Ignition With Correction For Sulphide Oxidation ≤ 3.0% 9 Beginning Of Setting Of The Slurry (50% Of Ground Granulated Blast Furnace Slag And 50% Of The Comparative Cement Cem I) Cannot Be Longer Than Twice As Compared To The Beginning Of Setting Of The Grout Made Of The Comparative Cement Alone 3. Requirements Of The Absence Of Radioactivity Indicator I≤1 - For Building Materials In The Case Of Which The Radioactive Concentration Of Radioactive Isotopes Of Potassium K-40, Radium Ra-226 And Thorium Th-232 Is Determined Detailed Information On The Subject Of The Order And The Rules Of Its Implementation Are Included In The Contract Template, Which Is Attached As Annex No. 10 To Swz.

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