Crucible with filter plate, porosity 4, cap. 50 ml , Ø 40 mm, 1 pc

Made of top quality 3.3 borosilicate glass. Maximum temperature: 220 ºC (heat and cool in a slow and controlled manner). Each crucible has a sintered disc with a different porosity grade: 150 - 200 ?m (porosity 0), 90 - 150 ?m (porosity 1), 40 - 90 ?m (porosity 2), 15 - 40 ?m (porosity 3), 5 - 15 ?m (porosity 4), 1 - 2 ?m (porosity 5)