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10ppi 20 Ppi 30ppi Ceramic Foam Filter for Iron Casting and Foundry - China Zirconia Ceramic Foam Filter, Silicon Carbide Ceramic Foam Filter | Made-in-China.com
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Foam samples: (a) 60 pores per inch (ppi); (b) 30 ppi; (c) 10 ppi; (d)... | Download Scientific Diagram
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