Material comprises of new and old/used 6063 extrusions that may contain up to 10% painted extrusion and 10% 6061 alloy extrusions. Material is free of zinc corners, iron attachments, plastic, paper, cardboard, thermo break and other contaminants.
ISRI Spec -Toto

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Specification:

Aluminum Content 98% Min
Si% 0.3 max    
Fe% 0.7 max
Cu% 0.25 max
Mn% 1.0-1.5
Mg% 0.8-1.3
Cr% 0.1 max    
Zn%  0.25 max
Ti %   0.1 max
Bundles must be banded with a minimum of 16mm (width) x 0,80mm (thickness) Polyester straps.
UBC suppliers are not allowed to use steel straps.

The integrity of the bundles must be as safe as they can be stacked for storage, and
bundle height must not exceed 1.50 meter.

UBC briquette does not contain shredded material.

Wooden pallets are not allowed to build the bundles.

The briquette density is required to be in the range of 450kg/m3 to 700kg/m3

The preferred briquette size is: 0.40 x 0.30 x 0.30m and all briquettes should ideally be of uniform
size.

24 bundles ( 1000 kg each)per container 40'HC

Impurities:3% maximum as below:
Moisture 0.7%
Sand 0.6%
Garbage 0.4%
Paper & Vinyl 0.1%
Ash 0.1%
Magnetic Metals 0.5%
Heavy Material 0.5%
Dirt 0.1%
Impurities 3.0%
Non UBC target 3.0%
If the impurities plus moisture is
lower than 3%, there is no claim due to these non UBC.

Radioactive source:None
Fumigation
Pallet
a) Should be treated with Fumigation