United Scientific Supply Porcelain Desiccator Plate

United Scientific Supply Plates include numerous 5mm diameter perforations Also includes large hole in center Glazed on one side Thermal Shock Resistance - average coefficient of expansion from 20В Degree C to 200В Degree C is 356 x 10-5, gradually increasing to 469 x 10-5 at 1050В Degree C Every batch of porcelain is heat tested in our factory Glaze - No softening occurs up to 1000В Degree C, and it is extremely white Resistance to Chemical Action - Resistance to acids and alkalies is excellent, except for hydrofluoric acid - USS