c191

... to come to visit, the instruction, the discussion! Car perfume C191

Porcelain Crucible Shelf Or Rack Laboratory ceramic parts High quality, low price On-time delivery ISO9001 factory Art.No.LengthmmRim widthmmHeightmmNo.of PerforationsC-190160100406C-191160150409The crucible shelf has two holes each for large, medium and small size. It can hold 5-50ml capacity crucibles.Chemical compositionSi02: 51%Al2O3: 36.5%Fe2O3: 0.15%Cao: 0.47%Mgo: 1.68%K2O: 3.2%Na2O: 0.79% ...