... etcMetals potteryJoil,slop,weak acid,acid etc,mediumHard alloyDgoil,dirt,weak acid and alkali,hydrocarbon,alcohol ... alkaliT≤200Tungeten carbideWoil,dirt,weak acid,alkail,granule mediuom Acid alkaliT≤200CarborundunOVarious mediumsNitration silliconDnAll mediums ... ≤120Tin bronzeTeOil,salt,alcohol,fatty acid,seaweater,etcAwlGtVitriolAbrasive casting awlNtAlcohol,oil,fatty acid,etc(mechaincal seal)(shaft ...