Powder Technology Incorporated (PTI) is a materials processing company with expertise in the total spectrum of particle modification with specialization in size reduction (including jet milling and hammer milling), air classification, vibratory screening and blending.
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Quartz Products
| GRADED CRUSHED QUARTZ FRACTIONS | |
| Size Grades | |
| Nominal Size Range (microns) | U.S. Standard Test Sieve No. |
| 150 - 300 | +100/-50 |
| 300 - 420 | + 50/-40 |
| 420 - 1000 | + 40/-18 |
| 1000 - 1500 | + 18/-14 |
| • Fractions shall contain a minimum of 98% within stated size range as measured by weight % using U.S. Standard Test Sieves. |
| • Custom sizes are available upon request. |
| • Made from good commercial quality quartz |
| • Sold in units of 500 grams |
| QUARTZ, GYPSUM, CALCITE, SALT BLEND | ||
| Material Blend Ingredients: • 60% Good Commercial Quality Crushed Quartz • 26% Gypsum (hydrated CaSO4) • 12% Calcite (CaCO3) • 2% Sodium Chloride (NaCl) <75 micron size |
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| Material Blend Particle Size Distribution | ||
| US Standard Test Sieve No. | Nominal Micron Size | Specified Range % Passing |
| 18 | 1000 | 100 |
| 35 | 500 | 85 – 90 |
| 60 | 250 | 70 – 75 |
| 120 | 125 | 50 – 55 |
| 200 | 75 | 25 - 30 |
| • Available in one gallon jars containing 4.5kgs net weight | ||
| ECE R16 | ||
| Meets ECE R16, Section 7.6.3.2 Dust and Chinese specification GB 14166, Section 5.6.3.2 Dust | ||
| Made from good commercial quality dry quartz | ||
| Particle Size Distribution | ||
| Specified Size (μm) | USA Test Sieve Designation | Specified Range (% Passing) |
| 149 | 100 | 99 - 100 |
| 106 | 140 | 76 - 86 |
| 75 | 200 | 60 - 70 |
| • Available in 1 gallon jars containing 3.5kg net weight | ||