Perla de Vidrio Abrasiva
Especificación Típica de Perla de Vidrio para abrasivos
| Chemical Name & Synonyms | Soda-lime Silicate-Glass | ||||||||||||
| Chemical Family | Silicate glass without free silica | ||||||||||||
| Formula |
|
| Physical Properties |
| Boiling Point | N/A | Vapour Pressure | N/A |
| Percent Volatile by Volume | Nil | Vapour Density | N/A |
| Evaporation Rate | N/A | Odour | Nil |
| Refractive Index | 1.52 | Oil Absorption (ASTM) | 17 |
| Solubility in Water | Not Soluble | Mohs | 6 |
| Absolute Specific Gravity | (H2O=1)2.46 | Knoop Load 100: | 515kg/mm2 |
| Absolute Specific Gravity | 1.6kg/dm3 | Hardness DPH Load 50kg: | 540kg/mm2 |
| Specific Heat Average | 0.18kcal/mhoC | Dielectric Strength | 4,500kv/cm |
| Dielectric Constant | 7.2(1MC at 20oC) | Expansion Coefficient | 8.5*10-6 |
Grades / Sizes
| Microns | Mesh | Inches | Sphere Count |
| 590-840 | 20-36 | .0234-.0331 | 65% |
| 420-590 | 30-40 | .0165-.0234 | 70% |
| 250-420 | 40-60 | .0098-.0165 | 70% |
| 177-297 | 50-80 | .0070-.0117 | 80% |
| 149-250 | 60-100 | .0059-.0098 | 80% |
| 105-210 | 70-140 | .0041-.0083 | 80% |
| 74-149 | 100-200 | .0029-.0059 | 90% |
| 53-105 | 140-270 | .0021-.0041 | 90% |
| 44-88 | 170-325 | .0017-.0035 | 95% |
| 30-62 | 270-500 | .0012-.0024 | 95% |