Porcelain desiccator plate

产品说明

一般描述

Chemical porcelain has an average coefficient of expansion from 20℃ to 200℃ is 3.56 x 10^-6, gradually increasing to 4.69 x 10^-6 at 1000℃. To prevent thermal stress cracks on porcelain ware it is strongly recommended a heating/cooling rate not to exceed 200℃/hour. The desiccator plate holes hold crucibles, bottles, or vials, and has a glazed top surface, with feet 16 mm H, for stability.
Refractory Qualities
Fusion point: 1670℃
Softening point: 1400℃
Limit of use, unglazed: 1400℃
Limit of use, glazed: 1150℃
Limit of use, evacuated: 1300℃

基本信息

产品性质