Flat packing, mini ring
	☉Material: Carbon steel, Stainless steel, Aluminum, Polypropylene, Other materials are available according to user requirement.

☉Flat Packing Technological Index

Material Type Specification D × H× S mm Heaping Number n/m3 Specific Surface area m2/m3 Void % Bulk Density kg/m3 Metal 16 16×55×0.6 378000 348 0.923 492 25 25 × 9.0× 0.6 155000 228 0.936 516 38 38 ×12.7× 0.7 48000 150 0.95 400 50 50×17.0 ×0.8 21500 120 0.965 360 Plastic 50 50×17 ×1.5 21500 120 0.965 81.7 75 75× 25 ×2.5 6800 88 0.975 66.6