| Product name: | Blue Silica Gel Desiccant | ||
| item: | Specification: | ||
| Blue silica gel indicator | Color changing | ||
| Adsorption: | RH=20% ,%≥ | 10 | - |
| RH=50% ,%≥ | 13 | - | |
| RH=90% ,%≥ | 20 | 20 | |
| Color change | RH= 2 0% | Blue or light blue | - |
| RH= 3 5% | Purple or purplish | - | |
| RH= 5 0% | Pink | Pink | |
| SiO2 (%): | ≥9 8 | ≥9 8 | |
| Size(mm): | 1.0-3.0mm,2-4MM,3-5mm,4- 6 mm. | ||
| Bulk density(g/l): ≥ | 720 | 720 | |
| PH :4-8 | 5 | 5 | |
| Qualified ratio of spherical granules,% | ≥9 6 | ≥9 0 | |