LYRIN
Characteristics of AEROSIL 200
AEROSIL 200 is hydrophilic fumed silica with specific surface area around 200m2/g.
Physical & Chemical Data of AEROSIL 200 | ||||||
Properties | Unit | Typical Value | Testing Standard | |||
Specific surface area(BET) | m2/g | 200±20 | GB/T 20020 | |||
pH in 4% dispersion |
| 3.9~4.5 | GB/T 20020 | |||
Loss on drying (2 hour at 105℃) | % | ≤2.0 | GB/T 20020 | |||
Loss on ignition (2 hour at 1000° based on material dried for 2 hours at 105℃) | % | ≤2.0 | GB/T 20020 | |||
Sieve residue(45μm) | mg/kg | ≤250 | GB/T 20020 | |||
Silica content ( Based on ignited material) | % | ≥99.8 | GB/T 20020 | |||
Tamped density (based on material dried for 2 hours at 105℃) | g/dm² | 30~60 | GB/T 20020 | |||
Grade | LN-200 | LN-380 | LN-139 | LN-151 | LN-615 | LN-630 |
Form | white amorphous powder | |||||
Surface area (m2/g) | 200±20 | 380±30 | 100±20 | 130±20 | 160±30 | 320±30 |
PH value | 3.9-4.5 | 3.7-4.5 | 5.5-7.5 | 3.7-4.5 | 5.5-7.5 | 5.5-8.0 |
Loss on drying | ≤2.0 | ≤2.5 | ≤1.5 | ≤0.7 | ≤0.5 | ≤0.5 |
Loss on ignition (2h,1000℃) % | ≤2.0 | ≤2.5 | ≤10 | ≤2.5 | ≤4.0 | ≤4.0 |
silica content (%) | ≥99.8 | |||||
Tamped density (g/dm²) | 30-60 | 30-60 | 40-60 | 40-60 | 40-60 | 40-60 |
Surface treatment | No | No | PDMS | DDS | HMDS | HMDS |
