A grade quartz: Quartz lumps with clean white / translucent sides and negligible physical impurities, with a silica percentage of around 98% or higher.
1. Oversize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <10%
2. Undersize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <10%
3. Contamination (number) which is visually counted in terms of black and red-yellow particles in ~50 inch2 or ~324 cm2 area = <20
A grade quartz: Quartz lumps with clean white / translucent sides and negligible physical impurities, with a silica percentage of around 98% or higher.
1. Oversize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <10%
2. Undersize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <10%
3. Contamination (number) which is visually counted in terms of black and red-yellow particles in ~50 inch2 or ~324 cm2 area = <20
A grade quartz: Quartz lumps with clean white / translucent sides and negligible physical impurities, with a silica percentage of around 98% or higher.
1. Oversize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <10%
2. Undersize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <10%
3. Contamination (number) which is visually counted in terms of black and red-yellow particles in ~50 inch2 or ~324 cm2 area = <20
A grade quartz: Quartz lumps with clean white / translucent sides and negligible physical impurities, with a silica percentage of around 98% or higher.
The powder is passed through high intensity magnets before packaging.
B grade quartz: Quartz lumps with one or more sides contaminated with iron oxidation marks, clay, etc.
1. Oversize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <20%
2. Undersize (% by weight) using NABL calibrated test sieves of Jayant Scientific = <20%
3. Contamination (number) which is visually counted in terms of black and red-yellow particles in ~50 inch2 or ~324 cm2 area = <50
Note: Sizing as per ASTM standards.
0201-Quartz Grits Sand 140-40# (~0.1-0.4 mm) B grade
0202-Quartz Grits Sand 50-25# (~0.3-0.7 mm) B grade
0203-Quartz Grits Sand 30-16# (~0.6-1.2 mm) B grade
0204-Quartz Grits Sand 16-8# (~1.2-2.4 mm) B grade
0205-Quartz Grits Sand 8-5# (~2.5-4.0 mm) B grade
This fine dust is collected during the processing of the mineral, which is stored in the bag filters and cyclones. It may be suitable for the paint, ceramics, road-markings, glass, cement, fertilizers and other industries.
A grade quartz: Quartz lumps with clean white / translucent sides and negligible physical impurities, with a silica percentage of around 98% or higher.
