Product Grade：OSC®DT267
Testing Items | Specification | Reference Method |
Appearance | White powder | Visual |
SiO2（assay）,% | 97.0 min. | XRF |
Al2O3，% | 0.2 max | XRF |
Na2SO4，% | 2.0 max | XRF |
Heavy Metals as Pb，ppm | 15 max | AA |
Aresenic as As，ppm | 2 max | AA |
Moisture（2hrs at 105℃），% | 7.0 max | ISO 787-2 |
Ignition Loss（Dry base），% | 8.5 max | ISO 3262-19 |
pH（5% Suspension） | 6.4-7.4 | ISO 787-9 |
Bulk Density，g/c.c | 0.14-0.19 | ISO 787-11 |
Oil Absorption（DOA），ml/100g | 270-310 | ASTM D6854-15a |
Median Size（Laser），μm | 11-16 | ISO 13320-1 |
Sieve Residued on 325 mesh，% | 2.0 max | ISO 3262-19 |