1.0 SCOPE
This specification covers purchase requirements for refining flux supplied to
Dead Sea Magnesium (DSM).
2.0 CHEMICAL COMPOSITION
The chemical composition of the product must conform to the requirements
contained in the following table:
| Element / Substance | Content |
| Chlorides (total) | 75 % min |
| Magnesium Chloride | 30 % min |
| Calcium Fluoride | 10 – 20 % |
| Water (total) | 1.0 % max |
| Magnesium Oxide | 4.0 % max |
| Others, each | 0.01 % max |
3.0 PHYSICAL REQUIREMENTS
3.1 Form
The refining flux supplied to DSM shall be in the form of anhydrous crystals,
granules or powder.
3.2 Size
The particle size shall conform to the following requirement:
fraction less than 1.0 mm – 90% min.
4.0 IDENTIFICATION AND CERTIFICATION
4.1 Product unit identification
Each unit, pallet or bundle is to be legibly identified providing all the
information necessary to assure tractability throughout the supplier’s
manufacturing process.
4.2 Certificate of analysis – C.O.A
A certificate of analysis must be submitted to the DSM Purchasing Department for approval
before the first shipment. The supplier shall furnish C.O.A with each shipment. The C.O.A
must show the values of concentrations
for each element specifically listed in section 2.0 and also for any other elements
analyzed.
4.3 Material Safety Data Sheet – MSDS
Vendor may be requested to submit a material safety data sheet (MSDS).
5.0 QUALITY CONTROL
5.1 Quality control records
Vendor must maintain documentation on quality control testing and results.
These results must be available to DSM upon request.
5.2 Statistical process control – S.P.C
Vendor should provide S.P.C data upon request.
6.0 PACKAGING
6.1 The refining flux supplied to DSM shall be packed in 25 kg multi – wall
paper bags or paper bags with inner polyethylene sacks. The packing must
provide complete protection from water absorption or accidental moisturizing.
6.2 The bags shall be palletized. The pallets must be stable and well secured
to permit easy handling with a forklift truck.
6.3 Environmental Aspects
Acc. to MSDS.
7.0 SHIPPING
7.1 The shipping procedure shall ensure safe and undamaged delivery.
Moisture contamination is not allowed and will cause rejection.
7.2 Each shipment must be accompanied with a Packing List showing vendor
name; purchase order number; product type and grade; batch, heat or lot
number (s); and – upon request – unit or pallet numbers and their gross and
net weights.
