CAT International

CAT International Ltd was initially founded to commercialise the ideas and development of the R&D company, Carbon Application Technology Ltd., primarily in the area of metal filtration resulting in the development and production of the CERACAT+ range of filters for Steel and Iron.

Ceracat+

CERACAT+ foam foundry filters are produced from high temperature Ceramic plus an addition of Carbon which increases Thermal Shock, temperature and chemical resistance to the liquid metal.  They are recommended as a highly cost effective replacement for Zirconia and Carbon bonded foundry filters in many Steel and Iron applications.  

CERACAT+ foundry filters when correctly designed into a gating system help to remove inclusions from the metal stream and reduce turbulence preventing the risk of erosion and re-oxidation, thus reducing surface and subsurface defects on castings reducing finishing costs and in many applications increasing casting yield and mechanical properties of the metal.

CERACAT+ has the following benefits:
> High Strength
> Excellent Thermal Shock Resistance
> High Oxidation and Moisture resistance compared to Carbon bonded Filters
> Low Carbon content, no measurable  Carbon pickup in steel
> Economic Pricing

   ZIRCONIA CERACAT+  CARBON BONDED
STRENGTH  HIGH  HIGH  LOW
 PRIMING  GOOD  GOOD  EXCELLENT
 COST HIGH  LOW  HIGH
Ceracat for Steel Applications
 FLOW RATE FOR HIGH ALLOYED STEEL PT 1530-1580 DEG C
   FLOW CAPACITIES  
 SIZE PPI  Print Ledge
mm
Kg/Sec  Direct pour kg  Indirect pour kg  Qty/Box
CC+D50x18  7  5  3  50  40 720
CC+D75x22  7  8  7  109  87  220
CC+D90x25  7  10  10  154  123  160
CC+D100x25  7  10  13  201  161  120
CC+D125x30  7  12  21  320  256  50
CC+D150x30  7  15  29  463  384  40
CC+D175x30  7  15  43  693  561  30
CC+D200x35  7  15  59  976  839  20
             
CC+50x50x22  7  5  4 64
 50 600
CC+55x55x25  7  5  5  81  65  390
CC+75x75x22  7  8  9  139  111  220
CC+75x75x25  7  8  9  139  111  180
CC+100x100x22  7  10  17  256  205  150
CC+100x100x25  7  10  17  256  205  120
CC+125x125x30  7  12  27  418  337  60
CC+150x150x30  7  15  37  605  490  40
Maximum Pouring Temperature 1650 Deg C
Ceracat+ Foam Filter For Iron Applications
Whilst developed for steel CERACAT+ provides an excellent solution for large iron castings where Silicon Carbide or pressed Ceramic filters do not give the adequate reliability or filtration performance demanded, without having to resort to highly expensive Zirconia based filters.

Ceracat+ filters remove inclusions from the metal stream and reduce turbulence much reducing the occurrence of erosion and dross related inclusions.
They have much higher strength and creep resistance compared to conventional Grey Silicon carbide filters but without the cost of Zirconia based filters.
Excellent for longer pour duration applications and are ideal for placement in joint line distribution runners or filter ‘pods’ to be included in ceramic gating systems

 FLOW RATE AND CAPACITIES - CERACAT+  FILTERS - IRON
DUCTILE IRON/Spharoguss/GGG/GJL & GREY IRON/Grauguss/GG/GJS
 
 SIZE
 
PPI
 
 Print Ledge
mm
FLOW RATE  CAPACITIES  
 Qty/Box
Kg/Sec  GGG  GG
 GGG GG  Kg  Kg
CC - D100x22  7  8  11  18  220  440 120
CC - D125x22  7  10  18  28  345  690  60
CC - D150x25  7  12  26  38  500  1000  48
CC - D200x35  7  15  33  50  900  1800  20
CC - D250x40  7  18  52  78  1400  2800  10
CC - 100x100x22  7  8  13  21  280  560  150
CC - 100x100x25  7  8  13  21  280  560  120
CC - 133x133x22  7  10  26  38  510  1020  60
CC - 150x150x25  7  12  32  48  645  1290  50
The size and number of filters used needs to be adequate to maintain normal flow during mould filling.
The above figures are for guidance only.

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