Industrial grade | Medical grade | photo grade | |
Appearance | white powder or crystal | white powder or crystal | white powder or crystal |
Content | 98.0%min | 99% min | 99.5% min |
Loss on drying | 1%max | 0.5% max | 0.3% max |
Chloride | <=0.8% | 0.5% max | 0.2% max |
PH | 5.5-8.5 | 5.5-8.5 | 5.5-8.5 |
No.366 Liaoyang West Road Shibei District Qingdao City,Shandong Province,China
fbeautychem@gmail.com