质量标准   
39-44% B2O3 basis, 31-37% CaO basis, powder：

外观Appearance                Powder
CaO basis                     31-37%
B2O3 basis                    39-44%

99.99% metals basis:

外观Appearance                          White Powder
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Assay                               Confirms Calcium and Boron component
痕量金属分析total metallic impurities   ≤200ppm by ICP Atomic emission
贮存  
用途  
联合国编号  
Risk：          R36/37/38
Safety :  S26
Hazard :  Xi