1. Standards: HG2-1188-78.
2. Melting point: 200℃.
3. Decomposing temperature: 205℃.
4. Purity: 99%.
5. Heating decrement: <=0.3%.
5. Ash content: <=0.2%.
6. PH: 5.5-7.0.
1. Appearance: yellow powder. 2. Gas release: 270-285m/g. 3. Granule diameter: 14-17um.