Shall consist of new, clean, uncoated and unpainted
low copper aluminum scrap of two or more alloys
with a minimum thickness of 0.015 inches (.38 mm)
and to be free of 2000 and 7000 series, hair wire,
wire screen, punchings less 1/2 inch (1.25 cm) diameter,
dirt, and other non-metallic items. Grease and
oil not to total more than 1%. Variations to this specification
should be agreed upon prior to shipment
between the buyer and seller.
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