BoShi international trading Co., ltd. with their professional technology and extensive global purchase channels, which has been has been committed to provide top casting material and most professional service to all high-end casting company of the world, Boshi can be the competitive price to provide most excellent and stable product for the customer.

BoShi?s filters are a range of zirconium oxide based ceramic foam filters ideally suited to the filtration of non-, low- and high-alloyed steel castings.which has high strength, high refractoriness, thermal shock resistance, dimensional accuracy, and stability advantages.

BoShi foam filters enable smooth, non-turbulent mould filling, thereby reducing the risk of deoxidization defects and molding sand erosion problems.The recommended maximum application temperature is 1760 �.

BoShi filters are highly effective in the removal of slag, sand, refractories and deoxidation products suspended in the metal stream.

Our general specifications: ?50*20 mm, ?60*20 mm,?70*25mm,?90*25mm,?100*25mm,100*100*25mm,125*125*25mm ,150*150*30mm and 175*175*30mm?hole degree is 10ppi to 60ppi, we can also be according to the customer?s requirement to make special specification.

BoShi complete quality control system to ensure filter dimensions and weight, cold compression strength and porosity.