Porcelain desiccator plates, small perforations

Descrição detalhada : Chemical porcelain has an average coefficient of expansion from 20C to 200C is 3.56 x 10-6, gradually increasing to 4.69 x 10-6 at 1000C. To prevent thermal stress cracks on porcelain ware it is strongly recommended a heating/cooling rate not to exceed 200C/hour. The desiccator plate has Small perforations throughout the plate, and one large hole in center. The plate is glazed on one side and is without feet.Refractory QualitiesFusion point: 1670CSoftening point: 1400CLimit of use, unglazed: 1400CLimit of use, glazed: 1150CLimit of use, evacuated: 1300C
Armazenamento : Room Temperature
Embalagem : 1X1EA