Foseco is at the leading edge of industry efforts to improve the metallurgical performance of castings offering a package of consumables and equipment for the production of clean, reproducible metal quality in a range of non ferrous alloys.
Degassing Equipment (FDU), Metal Treatment Station (MTS)
FDU rotary degassing equipment
FDU degassing units are an automated metal treatment system for the environmentally-friendly degassing and cleaning of aluminium and copper alloys.
FDU units use the impeller principle with a patented rotor which creates fine inert gas bubbles and mixes them with the melt. These fine bubbles are distributed homogenously throughout the melt without disturbing the surface maximising the contact area between the gas and the melt. The effectiveness of the Foseco FDU means that higher levels of degassing and cleaning can be achieved and treatment times can be reduced.
SMARTT Degassing is a software module for FDU and MTS devices that predicts the best treatment practice based on ambient conditions, melt temperature, rotor design and alloy composition.
The SMARTT software determines rotor speed, inert gas flow rate and treatment time and transfers this data to the degassing unit before treatment begins to ensure a constant quality level and reliable results.
Graphite Shafts and Rotors
Graphite rotors are used in connection with the corresponding graphite shafts. Parts are vacuum impregnated to ensure a long life.
FDU XSR graphite rotor
The XSR rotor type can be combined with all graphite shafts. Turbo cuts in the upper section of the rotor further reduce the size of the inert gas bubbles thus maximising the surface area of the bubbles for a given volume of treatment gas.
MTS FDR high-performance rotor
The MTS FDR rotor has been specifically designed to offer good degassing performance and optimal melt homogenisation during MTS 1500 application. Furthermore it is suitable for degassing of ladles or crucibles with difficult geometries.
Metal Treatment Station (MTS) one-step automated treatment system
By using the MTS System (Metal Treatment Station) aluminium melts can be completely and automatically treated in one step. Whilst degassing with the proven FDU technology, all required treatment agents can be added at pre-set levels.
Fluxes for Drossing, Covering and Cleaning Aluminium Alloys
COVERAL fluxes are suitable for covering, cleaning and drossing applications in aluminium foundries. They reduce oxide formation and build-up on furnace walls, help to remove non-metallics from the melt, reduce the aluminium content of dross and facilitate removal of dross.
COVERAL fluxes are supplied in granular (COVERAL GR) or powder form.
A wide range of fluxes are available in powder and granular form for manual or FDU application. Granular products are dust free and more effective than powder fluxes, allowing addition rates to be reduced. For MTS application, COVERAL MTS fluxes must be used.
Cleaning fluxes are designed to remove non-metallics from the melt by trapping the oxides particles as they float out.
Drossing / covering fluxes
Covering and drossing fluxes are used to form a molten layer to protect the melt from oxidation and hydrogen pick-up. They agglomerate the oxides and non-metallic materials from the melt, cleaning the melt and forming a good metal-free dross which can easily be removed.
COVERAL 912 is a covering and drossing flux especially developed for remelting of heavily contaminated and small sized scrap.
Grain Refiners for Aluminium Alloys
COVERAL MTS 1582 is a sodium free grain refining flux, specially developed to be used with the Foseco Melt Treatment Station (MTS 1500).
TIBORAL 6 is a grain refiner based on titanium - boron, which releases fine dispersed highly efficient nuclei directly in the melt. It is applicable for aluminium and aluminium alloys except eutectic and hyper- eutectic alloys.
NUCLEANT 70 is a sodium free grain refining tablet suitable for aluminium and aluminium alloys. NUCLEANT 70 SS is a self sinking version that requires no plunging.
ELDUCTAL 90 S is a titanium free grain refining tablet and is particularly recommended for high-conductivity aluminium where the presence of titanium has a deleterious effect on electrical conductivity.
PHOSPHORAL L 12 is a grain refining tablet for eutectic and hypereutectic AlSi alloys that are typically used for pistons.
Modifiers for Aluminium Alloys
Sodium releasing fluxes
COVERAL sodium modifying fluxes in powder and granular form for a range of application temperatures.
SIMODAL tablets are available for standard application and for use in combination with an FDU. For long term modification, products from the COVERAL PERMA range should be used.
NAVAC is metallic sodium, sealed in an airtight aluminium can, used for the modification of aluminium silicon alloys.
Other Aluminium Treatment Products
- Furnace cleaning fluxes
- Degassing tablets for aluminium and aluminium alloys
- Products for the controlled introduction of gas
- Fluxes for removing unwanted elements
Treatment Products for Copper Alloys
Fluxes for cleaning, remelting and element removal
CUPREX 1 tablets and RAFFINATOR 91 powder are cleaning agents with a vigorous oxidising action for high-conductivity or commercial copper, red brass and bronzes used in sand or die casting.
RECUPEX 120 is a neutral cleaning powder for brass used in sand casting and is particularly suitable for use with scrap which has been contaminated with oil.
ELIMINALU 8 is a highly oxidising agent for cleaning and removing aluminium contamination from copper alloys. It is not suitable for aluminium bronzes and only to a certain extent for manganese or silicium bronzes.
CUPREX fluxes are a range of covering agents for copper alloys that provide the melt with oxidising conditions.
CUPRIT cover powders are designed for copper and copper alloys melted under neutral conditions.
ALBRAL are reducing cleaning and covering fluxes for aluminium bronzes and special brasses containing alloying elements that are prone to oxidation.
Products for purging/degassing and homogenising copper melts
LOGAS 50 rings are used for plunging into copper and copper alloys to remove dissolved hydrogen and float out oxides.
DEOX TUBES are individual copper tubes containing a variety of reagents and are specially designed to remove dissolved oxygen formed during the melting process. Tubes are available for all types of copper-based alloys, thermal and electrical conductivity of the alloys are not affected.
SLAX 20 is a coagulant used for positive slag control on all copper alloys.
Specialty fluxes for electric and induction furnaces
ELEKTRO are covering and cleaning agents for all copper alloys melted in electrically heated or induction furnaces.
Treatment Products for Magnesium and Zinc Alloys
Cleaning and drossing fluxes for zinc alloys
ZINCREX is a range of cleaning and drossing fluxes available in powder and granular form.
Cleaning and covering fluxes for magnesium alloys
MAGREX 60 is a universal covering, cleaning and drossing flux for magnesium and magnesium alloys. It can also be used for remelting or recycling of magnesium scrap.
Grain refiners for magnesium alloys
NUCLEANT 5000 is universally applicable for magnesium and magnesium alloys. It is introduced into the melt in powder form releasing very fine graphite particles in the melt. They are instantly active as finely dispersed nuclei directly in the melt.