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Coal Technological Grade - According To Gost 25543-88. Fractional Composition (Size Class): 40–80 Mm. Lower Calorific Value, Qri, Not Less Than 5300, Not More Than 5400 (Kcal/Kg). The Total Moisture In The Operating Condition Of The Fuel, Wrt, Is Not Less Than 16, Not More Than 17%. The Yield Of Volatile Substances On A Dry, Ash-Free State Of Fuel, Vdaf, Not Less Than 45, Not More Than 48% Ash Content On A Dry State, Ad, Not Less Than 5, Not More Than 7% Mass Fraction Of Sulfur, Sdt, Not Less Than 0.80, Not More Than 0.90%. Mass Fraction Of Chlorine, Cld, Not Less Than 0.04, Not More Than 0.06%. Mass Fraction Of Arsenic, Asd, Not Less Than 0.0002, Not More Than 0.0005%. Explosiveness Criterion, Kt – Not Less Than 4.40, Not More Than 4.60 The Sum Of The Ratios Of The Specific Activity Of Natural Radionuclides In Solid Fuel To The Msua, Ct, Is Not Less Than 0.014, Not More Than 0.016. Effective Specific Activity Of Natural Radionuclides In Ash, Aeff Bq/Kg, Not Less Than 110, Not More Than 120. Ignition Temperature, Not Less Than 360, Not More Than 370 °C. Self-Ignition Temperature, Not Less Than 460, Not More Than 470 °C Oxidation Index, Ocr, Not Less Than 10, Not More Than 15%. The Quality Of The Supplied Coal Must Correspond To The Quality Of The Certificate Of Conformity And The Protocol For Studying The Radioactivity Of Energy Raw Materials For The Safety Of Its Use. If The Customer Discovers A Defect (Stones, Other Rocks, Garbage, Etc.) Of The Product, The Supplier Is Obliged To Exchange It For A Quality Product Within 5 Calendar Days From The Date Of Discovery And Drawing Up A Defect Report. All Expenses Are At The Expense Of The Supplier. The Price For 1 Ton Of Coal Must Include Related Services: Delivery To The Customer’S Location, Unloading, Trimming. Coordination Of The Delivery Schedule With The Customer. The Quantity Specified In The Order Must Be Delivered Within 2 Calendar Days From The Date Of Order. When Handing Over The Goods, There Must Be Documents Confirming Their Removal From The Coal Mine. The Presence Of A Certificate Is Mandatory, With Delivery By Road Transport According To The Customer’S Schedule
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