gRADES OF TALC MB
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Talc MB 25-40
This talc is optimized for use in ceramic products such as steatite and cordierite in which talc is used as a source of magnesium and low calcium levels are required.
| CHEMICAL ANALYSIS | |
|---|---|
| SiO2 | 61% |
| MgO | 31% |
| Fe2O3 | <1.3% |
| Al2O3 | 1% |
| CaO | <0.5% |
| Loss on Ignition (L.O.I.) | 5.5% |
| Moisture (% weight loss @ 110⁰C) | <0.5% |
| PHYSICAL ANALYSIS | |
|---|---|
| Dry Brightness (Hunter) | 87 |
| pH | 8.8 |
| Specific Gravity | 2.8 |
| Bulk Density | 13 lb/ft3 |
| Tap Density | 8.8 lb/ft3 |
| Average (median) particle size | 2.4 microns |
Talc MB 50-60
This talc is optimized for use in ceramic products such as steatite and cordierite in which talc is used as a source of magnesium and low calcium levels are required.
| CHEMICAL ANALYSIS | |
|---|---|
| SiO2 | 61% |
| MgO | 31% |
| Fe2O3 | <1.3% |
| Al2O3 | 1% |
| CaO | <0.5% |
| Loss on Ignition (L.O.I.) | 5.5% |
| Moisture (% weight loss @ 110⁰C) | <0.5% |
| PHYSICAL ANALYSIS | |
|---|---|
| Dry Brightness (Hunter) | 86 |
| pH | 8.8 |
| Specific Gravity | 2.8 |
| Bulk Density | 23 lb/ft3 |
| Tap Density | 48 lb/ft3 |
| Average (median) particle size | 5.5 microns |
| Through 325 mesh | 99% |
Talc MB 97-30
This talc is optimized for use in ceramic products such as steatite and cordierite in which talc is used as a source of magnesium and low calcium levels are required.
| CHEMICAL ANALYSIS | |
|---|---|
| SiO2 | 61% |
| MgO | 31% |
| Fe2O3 | <1.3% |
| Al2O3 | 1% |
| CaO | <0.5% |
| Loss on Ignition (L.O.I.) | 5.5% |
| Moisture (% weight loss @ 110⁰C) | <0.5% |
| PHYSICAL ANALYSIS | |
|---|---|
| Dry Brightness (Hunter) | 84 |
| pH | 8.8 |
| Specific Gravity | 2.8 |
| Bulk Density | 27 lb/ft3 |
| Tap Density | 58 lb/ft3 |
| Average (median) particle size | 9.5 microns |
Talc MB 98-25
This talc is optimized for use in ceramic products such as steatite and cordierite in which talc is used as a source of magnesium and low calcium levels are required.
| CHEMICAL ANALYSIS | |
|---|---|
| SiO2 | 61% |
| MgO | 31% |
| Fe2O3 | <1.3% |
| Al2O3 | 1% |
| CaO | <0.5% |
| Loss on Ignition (L.O.I.) | 5.5% |
| Moisture (% weight loss @ 110⁰C) | <0.5% |
| PHYSICAL ANALYSIS | |
|---|---|
| Dry Brightness (Hunter) | 85 |
| pH | 8.8 |
| Specific Gravity | 2.8 |
| Bulk Density | 26 lb/ft3 |
| Tap Density | 50 lb/ft3 |
| Average (median) particle size | 12.0 microns |
| Through 200 mesh | 97.3% |