This talc has been extensively tested and certified to meet all US Pharmacopoeia requirements for chemical and microbiological purity and the Cosmetic Manufacturers Association requirements for maximum limits on arsenic, lead, and heavy metals. These specifications make this talc ideal for medical and drug applications. This talc has been refined to maximize its softness, oleophilic surface and fragrance retention, making it ideal for cosmetic formulations for both powders and lotions.
| CHEMICAL ANALYSIS | |
|---|---|
| SiO2 | 61% |
| MgO | 31% |
| Fe2O3 | <1.3% |
| Al2O3 | 1% |
| CaO | <0.5% |
| Pb* | LT 10 ppm |
| As* | LT 3 ppm |
| Heavy Metals* | LT 40 ppm |
| Loss on Ignition | LT 7.0% |
| Moisture (% weight loss @ 110⁰C) | <0.05% |
*Adheres to Cosmetic Manufacturers Association maximum amounts
| USP REQUIREMENTS | |
|---|---|
| Asbestos form minerals | None Detected+ |
| Acidity and Alkalinity | Passes USP |
| Water Soluble Substances | LT 0.1% |
| Microbial Yeast/Mold | LT 50 cfu/g |
| Microbial Bacteria | LT 100 cfu/g |
| PHYSICAL ANALYSIS | |
|---|---|
| Dry Whiteness (Hunter) | 87 |
| Specific Gravity | 2.8 |
| pH Value | 8.0 |
| Bulk Density | 35-40 lb/ft3 |
| Tapped Density | 68 lb/ft3 |
| Through 200 Mesh | 97% |
| Median Particle Size | 12.0 microns |