| Category | Ceramic , Clay , Feldspar Clay | 
| Manufacturer | Imerys (Kentucky-Tennessee Clay Co.) | 
| Trade Name | Minspar™ | 
| Port | Ningbo port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Imerys Minsparâ„¢ 4 Ground Feldspar.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Specific Gravity | 2.60 g/cc | 2.60 g/cc | |
| Bulk Density | 0.641 g/cc | 0.0231 lb/in³ | loose | 
| 0.961 g/cc | 0.0347 lb/in³ | packed | |
| Density | 2.59 g/cc | 0.0935 lb/in³ | solid | 
| Brightness | 91 % | 91 % | G.E. Brightness | 
| Particle Size | 8.0 µm | 8.0 µm | mean | 
| Particle Mesh Size | 325 Mesh | 325 Mesh | 0.05% retained | 
| pH | 9.3 | 9.3 | 10% solids | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Mohs | 6.0 | 6.0 | 
| Optical Properties | Metric | English | Comments | 
|---|---|---|---|
| Refractive Index | 1.53 | 1.53 | 
| Processing Properties | Metric | English | Comments | 
|---|---|---|---|
| Moisture Content | 0.10 % | 0.10 % | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Hegman Grind | 4 |