Precipitated silica(SiO2,white Carbon,silicon dioxide) for industry grade
Appearance | White micro pearl | White powder | White briquetting |
Sio2 content ≥% | 90 | 90 | 90 |
45μm residue on sieve ≤ % | 0.5 | 0.5 | 0.5 |
Heating loss(105℃，2h) % | 4.0-6.5 | 5.5-7.5 | 5.0-8.0 |
Ignition loss(1000℃,2h)% ≤ | 7.0 | 7.0 | 7.0 |
PH Value | 6.5-8.5 | 5.5-7.5 | 6.0-7.5 |
DBP Absorption value cm3/g | 2.2-2.7 | 2.0-3.0 | 2.0-3.0 |
BET m²/g | 160-185 | 165-190 | 165-190 |
Water soluble %≤ | 2.0 | 2.0 | 2.0 |
Total Fe content mg/kg ≤ | 500 | 500 | 1000 |
Total Cu Content mg/kg ≤ | 10 | 10 | 30 |
Total Mn content mg/kg ≤ | 40 | 40 | 50 |
MPa-Modulus at 300% / MPa ≥ | 5.5 | 5.5 | 6 |
CTAB m2/g | 155-175 | - | - |
Application: mainly used for tires, translucent, colorful rubber sole and other products.
Packing: 20kg/bag or 1000kg/bag
