Ultra-fine calcium carbonate
一、advantage
(1) does not contain heavy metals.
(2) reduce the proportion of powder coatings, powder improve on the rate of increase
in spraying area.
(3) to cover the rate increase.
(4) alternative barium sulfate, to reduce production costs.
Reduction burning | 43.50% | MgO | 0.16% |
CaO | 55.00% | AL2O3 | 0.20% |
Fe2O3 | 0.02% | H2O | 0.16% |
SiO2 | 0.20% | Hydrochloric acid insoluble | 0.20% |
二、calcium carbonate component analysis table
三、Quality indicators
Testing Items | YF-3000 | YF-2800 | YF-2500 | YF-868 | YF-1003 |
Specifc Surface Area | CM2/G | 23000士500 | 18500士500 | 14500士500 | 12000士500 | 8600士500 |
Average Parcicle Size | MICRON | 0.8士0.1 | 1.1士0.1 | 1.5士0.1 | 2.7士0.1 | 7.6士0.1 |
True Specific Gravity | TON/M3 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
Proportion false | C.C./G | 0.55 | 0.63 | 0.7 | 0.83 | 0.91 |
Water | % | 0.25Max | 0.25Max | 0.25Max | 0.25Max | 0.25Max |
Oil absorption | C.C./100G | 42 | 38 | 35 | 32.5 | 31 |
Absorption | C.C./G | 64 | 61 | 57 | 54 | 51 |
DOP absorption | C.C./100G | 62 | 60 | 57 | 55 | 53.5 |
325mesh residue | % | 0 | 0 | 0 | 0 | 0 |
PH value | 9士0.5 | 9士0.5 | 9士0.5 | 9士0.5 | 9士0.5 | 9士0.5 |
Integrated settlement | 30min(c.c.) | 82 | 77 | 71 | 66 | 50 |
Integrated settlement | 60min(c.c.) | 77 | 72 | 67 | 45.5 | 33 |
Whiteness | | 96.5士0.5 | 96.5士0.5 | 96.5士0.5 | 96.士0.5 | 95.5士0.55 |