FAQ

Most frequent questions and answers

We are a ceramic foam filter manufacturer and trading combination in China established in 2000.

The ceramic foam filter is a kind of porous material with 3-dimensional structures to remove the impurity and non-metallic inclusions during the molten metal casting. It’s been widely used in casting parts filtration like brake discs, brake drums, cylinder body and head, shaft, etc. It will efficiently perform the following characteristics,

Reduce

  • gas and non-metallic inclusions
  • turbulence level
  • surface defects
  • the casting rejection rate

Improve

  • mechanical properties
  • surface finish
  • filling capacity
  • casting yield
  • (1). Silicon carbide-based(CFS)

    Silicon carbide-based ceramic foam filter is usually used for grey iron, ductile iron(SG), copper casting in which pouring temperature is lower than 1460 degrees celsius. The regular sizes are listed below for your kind reference.

    40x40x15/10ppi-30ppi

    40x40x22/10ppi-30ppi

    50x50x15/10ppi-30ppi

    50x50x22/10ppi-30ppi

    60x60x22/10ppi-30ppi

    75x75x22/10ppi-30ppi

    100x100x22/10ppi-30ppi

    D40x22/10ppi-30ppi

    D50x22/10ppi-30ppi

    D60x22/10ppi-30ppi

    D70x22/10ppi-30ppi

    D80x22/10ppi-30ppi

    D90x22/10ppi-30ppi

    D100x22/.10ppi-30ppi

    (2). Zirconia based(CFZ)

    Zirconia based ceramic foam filter is treated as the main filter material in steel castings such as carbon steel, SS steel, and steel alloy, etc. The application temperature is up to 1700 degrees celsius. Please find the regular item below.

    50x50x22/10ppi

    50x75x25/10ppi

    75x75x25/10ppi

    100x100x25/10ppi

    D50x25/10ppi

    D60x25/10ppi

    D70x25/10ppi

    D90x25/10ppi

    D100x25/10ppi

    (3). Alumina based(CFA)

    Alumina based ceramic foam filter is applied in aluminum casting parts filtration in which pouring temperature is normally not more than 1100 degrees celsius. The regular sizes are listed below from 20ppi to 50ppi with or w/o chamfer and gasket.

    12″x12″x2″/(305x305x50)

    15″x15″x2″/(381x381x50)

    17″x17″x2″/(432x432x50)

    20″x20″x2″(508x508x50)

    23″x23″x2″(585x585x50)

     
     

Not at all. The filter itself will not affect the flow rate of the molten metal. The choke of the gating system plays a key role in the flow rate. It is highly recommended the filter area has to be larger than the gating system choke as suggested below.

3:1 for grey iron casting

4:1 for alumina and copper casting

5:1 even bigger for ductile iron or steel casting

FREE samples are available per request for testing and evaluation purpose before placing an order.

inner corrugated paper tray

corrugated carton

non-wood pallet

  • China mainland
  • Taiwan
  • South Korea
  • Russia
  • Spain
  • Turkey
  • India
  • Pakistan
  • Thailand
  • UAE
  • Iran

The DDP/DDU price is available per your request. It is not allowed in some countries or regions. We could still offer you a DDU/DDP price for your landing cost evaluation. Please send an email or contact form for more information.