FUSED TUNGSTEN CARBIDE (FTC), MIXED WITH NICKEL OR NICKEL ALLOY POWDER IN RATIONS VARYING FROM 5% TO 60%. THE FUSED TUNGSTEN CARBIDE IS MANUFACTURED BY FUSING AND CASTING INTO A COOLED FORM, THEN (AFTER COOLING) MILLING AND CLASSIFYING INTO SIZES 250PM- 25PM. THE NICKEL OR NICKEL ALLOY POWDER IS PRODUCED BY EITHER GAS OR WATER ATOMISATION. TYPICAL ANALYSIS USED: NI ALLOY:ICP AND AAS FOR CHEMISTRY, COMBUSTION FOR C,S,N. FUSED TUNGSTEN CARBIDE: COMBUSTION FOR C,S. BLEND: HALL FLOW, APPARENT DENSITY, GRAIN SIZE DISTRIBUTION

GENERAL INTERPRETATIVE RULES 1 & 6 THE TEXT OF CODES 3824 30 AND 3824 30 00 90 THE TEXT OF THE HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 3824