半岛bd体育手机客户端 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 10-6at 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
| NACRES | NB.43 |
半岛bd体育手机客户端 性质
| 特点 | no. of holes 5 |
| manufacturer/tradename | Coorstek 60446 |
| 孔直径 | 30 mm |
| 板直径 | 142 mm |
Sigma-Aldrich
m.cnreagent.com
