United Scientific™ Porcelain Desiccator Plate, Small Holes, 190mm Dia.

Porcelain Desiccator Plates With Small Holes 190Mm
Plates include numerous 5mm diameter perforations. Also includes large hole in center. Glazed on one side. Thermal Shock Resistance - average coefficient of expansion from 20 degrees C to 200 degrees C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050 degrees C. Every batch of porcelain is heat tested in our factory. Glaze - No softening occurs up to 1000 degreesC, and it is extremely white. Resistance to Chemical Action - Resistance to acids and alkalies is excellent, except for hydrofluoric acid.