Surplus Graphite

Surplus Graphite shall consist of new, un-used graphite grade carbon in odd lots or surplus inventory.

Spent Graphite

Spent Graphite shall consist of used or spent graphite grade carbon.

Surplus Carbon Solids

Surplus Carbon Solids shall consist of new un-used carbon solids in odd lots or surplus inventory.
May include carbon anodes, brick, block or slab.

Spent Carbon Solids

Spent Carbon Solids shall consist of used or spent solid pieces of carbon.

Surplus Carbon Black & Carbon Powders

Surplus Carbon Black & Carbon Powders shall consist of new, un-used powdered carbon in odd lots or surplus inventory.
May include carbon colorants and carbon fillers.

Carbon Black Scrap

Spent Carbon Powders shall consist of used or spent carbon powders, scrap carbon black and powder carbon waste.

Surplus Carbon Catalyst

Surplus Carbon Catalyst shall consist of new, un-used odd lot or surplus carbon that was designed as filtration or catalyst medium.

Spent Carbon Catalyst

Spent Carbon Catalyst shall consist of used or spent carbon filtration or catalyst mediums.

Raw Tire Pyrolysis Carbons

Raw Tire Pyrolysis Carbons shall consist of raw carbon or carbon black recovered from the processing of rubber tires/tyres in a Pyrolysis operation.

Other Carbon Scrap

Other Carbon Scrap shall consist of any other waste or scrap carbon materials not included in the listed grades.

Surplus Ferro~Silicon

Surplus Ferro~Silicon shall consist of new, un-used Ferro~Silicon.

Surplus Silicon Carbide (Carborundum)

Surplus Silicon Carbide shall consist of new, un-used Silicon Carbide (Carborundum) in odd lots or surplus inventory.

Spent Silicon Carbide (Carborundum)

Spent Silicon Carbide shall consist of used or spent Silicon Carbide (Carborundum)

Surplus Silicon Crystal

Surplus Silicon Crystal shall consist of new, un-used crystallized silicon and may include integrated circuit medium or solar power cell medium.

Scrap Silicon Wafer

Scrap Silicon Wafer may consist of Polysilicon, Polysilicon Chips, Poly Rods, Granular Poly, Silicon Powder, Solar Ingots, Semiconductor Ingots, Reclaim Wafers, Broken Wafers, Pseudo Square Wafers, Half-Moon Wafers, Slugs (Disks), Broken Disks, Pot Scrap, Top and Tail, Cells, Broken Cells

Other Silicon Scrap

Other Silicon Scrap may include any other silicon materials not included in the listed grades.