Zinc

OLD ZINC DIECAST SCRAP
Shall consist of miscellaneous old zinc base diecastings, with or without iron and other foreign attachments. Must be free of borings, turnings, dross pieces, chunks, melted pieces and skimmings.

All unmeltables, dirt, foreign attachments, and volatile substances (such as rubber, cork, plastic, grease, etc.) are deductible. Material containing in excess of 30% iron will not constitute good delivery.

NEW ZINC DIECAST SCRAP
Shall consist of new or unused, clean, zinc base diecastings. Castings to be unplated, unpainted, and free from corrosion.

NEW PLATED ZINC DIECAST SCRAP
Shall consist of new or unused clean, plated zinc base diecastings, free from corrosion.

OLD SCRAP ZINC
Shall consist of clean dry scrap zinc, such as sheets, jarlids, clean unalloyed castings and anticorrosion plates.

Borings and turnings are not acceptable. Material must not be excessively corroded or oxidized. All foreign attachments and extraneous materials are deductible.

NEW ZINC CLIPPINGS
Shall consist of any new pure zinc sheets or stampings free from corrosion

ZINC DIECASTS LABS OR PIGS
Shall consist of melted zinc base diecast materials, in smooth clean solids labs or pigs. Material to be free from drosses and to contain a minimum zinc content of 90%.

To contain a maximum of 0.1% nickel and maximum of 1% lead. Blocks are acceptable upon mutual agreement.

HOT DIP GALVANIZERS SLAB ZINC DROSS (BATCH PROCESS) Shall consist only of galvanizers unsweated zinc dross in slab form from hot dip galvanizing (Batch Process) with a minimum zinc content of 92% and shall be free of skimmings and trampiron.

Broken pieces under 2″ in dia meter shall not exceed 10% of the weight of each shipment. Slabs shall not weigh over 100 pounds each. Heavier pieces acceptable upon mutual agreement between buyer and seller. Material from continuous galvanizing operation is not acceptable. Blocks are acceptable upon mutual agreement.

CONTINUOUS LINE GALVANIZING SLAB ZINC TOP DROSS Shall consist of unsweated zinc dross removed from the top of a continuous line galvanizing bath, in slab form not weighing in excess of 100 pounds each, with a minim with a minimum zinc content of 90%.

Heavier pieces acceptable upon mutual agreement between buyer and seller. Shall be free of skimmings. Broken pieces under 2″ in dia meter shall not exceed 10% of the weight of each shipment.

CONTINUOUS LINE GALVANIZING SLAB ZINC BOTTOM DROSS Shall consist of unsweated zinc dross removed from the bottom of a continuous line galvanizing bath, in slab form not weighing in excess of 100 pounds each, with a minimum zinc content of 92%. Heavier pieces acceptable upon mutual agreement between buyer and seller. Shall be free of skimmings.

Broken pieces under 2″ in dia meter shall not exceed 10% of the weight of each shipment

PRIME ZINC DIECAST DROSS Shall consist of metal skimmed from the top of pot of molten zinc diecastmetal. Must be unsweated, unfluxed, shiny, smooth, metallic and free from corrosion or oxidation.

Should be poured in molds or in small mounds weighing not over 75 sounds each. Zinc content shall be minimum of 85%.