Shall have aluminum density of 14 pounds per cubic foot (225 kgm3), and a maximum density of 17 pounds per cubic foot (273 kgm3) for unflattened UBC and 22 pounds per cubic foot (353 kgm3) for flattened UBC. Size: Minimum30 cubic feet (.85m3), with bale range dimensions of 24″ to 40″ (61 to 132 cm) by 30″ to 52″ (76 to 132 cm) by 40″ to 84″ (102 to 213 cm).
The only acceptable tying method shall be as follows: four to six 58″ (1.6 cm) x .020″ (5mm) steel bands, or six to ten #13 gauge steel wires (aluminum bands or wires are acceptable in equivalent strength and number). Use of skids andor support sheets of any material are not acceptable. Must be magnetically separated material and free of steel, lead, bottle caps, plastic cans and other plastic, glass, wood, dirt, grease, trash, and other foreign substances. Any free lead is basis for rejection.

Shall have aluminum density of 14 pounds per cubic foot (225 kgm3), and a maximum density of 17 pounds per cubic foot (273 kgm3) for unflattened UBC and 22 pounds per cubic foot (353 kgm3) for flattened UBC. Size: Minimum30 cubic feet (.85m3), with bale range dimensions of 24″ to 40″ (61 to 132 cm) by 30″ to 52″ (76 to 132 cm) by 40″ to 84″ (102 to 213 cm).
The only acceptable tying method shall be as follows: four to six 58″ (1.6 cm) x .020″ (5mm) steel bands, or six to ten #13 gauge steel wires (aluminum bands or wires are acceptable in equivalent strength and number). Use of skids andor support sheets of any material are not acceptable. Must be magnetically separated material and free of steel, lead, bottle caps, plastic cans and other plastic, glass, wood, dirt, grease, trash, and other foreign substances. Any free lead is basis for rejection.