We offer Porcelain Bottom Crucible, with porous disc permanently formed into walls. Porcelain Crucible , which we offer, is featured by stable porosity and rate of flow. These Porcelain Crucibles are made available with very fine (1.2 micron), fine (5 micron) and medium (15 micron) pore diameters discs. Maximum operating temperatures for Porcelain Bottom Crucible range from 900°C to 1200°C depending upon ceramic composition selected. Further, variation in temperature will not affect characteristics within their working temperature range. “J" Brand Porous Ware Applications : Mechanical and earth science uses include filtration, diffusion, pressure studies and understand liquid containment studies. 'J' brand porous ware is considered an excellent divider for electrolytic cells. "J" Brand porous ware easily incorporates into many chemical processes, Pharmaceutical, mechanical and electronic applications. Its reliability results from years of experience, advancement and refinement of manufacturing techniques. In chemical filtration, 'J' Brand porous ware can separate solid particles from liquid or gaseous suspensions. Stream flow is not obstructed by the filtering action. For glass particle filtration, clarification, polishing and sterilization of serums, vaccines, antitoxins and other biochemical solutions in the pharmaceutical environment, 'J' brand porous ware is ideal.