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SubmitNavajo Brand® pumice products are available in particle size distributions ranging from 6-mesh to 5 microns. Their high brightness, purity, and low specific gravity offer formulators unique opportunities for superior performance.
SafSil® products are high performance functional fillers that contain less than 0.1 % respirable crystalline silica and are commonly used in both water and solvent-based paints and coatings. SafSil® may be used successfully to replace many common fillers such as ground silica, nepheline syenite, calcium carbonate, and talc.
PFM (Pumice Filtration Media)® products are used in a variety of filtration applications including cartridge and open multi-media filters. In cartridge filters, PFM (Pumice Filtration Media)® replaces sand, zeolites, and carbon-based filter media. In multi-media filters, PFM (Pumice Filtration Media)® effectively replaces anthracite coal on top of the sand layer. All PFM (Pumice Filtration Media)® products are NSF-61 approved and meet AWWA B100 physical and chemical specifications.
CR Minerals offers several grades of Tephra® to serve the construction and oil and gas industries as a natural pozzolan. Tephra® has been tested, proven, and certified as a natural pozzolan in accordance with ASTM C618N. CR Minerals’ pozzolans are among the most effective products available to protect concrete from the deleterious effects of chemical attack and will also enhance compressive strengths.
CR Minerals’ Mine Products range in size from 1 ¼-inch aggregate stone to ¼-inch granular material. These products are used extensively in Horticulture, Landscaping, and Construction applications requiring lightweight aggregate materials.
Typical Chemical Analysis
Weight %
Silicon Dioxide
SiO2
75
Aluminum Oxide
Al2O3
12
Potassium Oxide
K2O
4
Sodium Oxide
Na2O
4
Calcium Oxide
CaO
<2
Magnesium Oxide
MgO
<2
Titanium Oxide
TiO2
<2
Ferrous Oxide
Fe2O3
<2
Physical Properties - Navajo Brand®
Specific Gravity
2.4
Weight per Solid Gallon, Lbs.
20.0
Bulking Volume, Gal/Lb.
0.5
Hardness (Mohs Scale)
6.0
pH (10% in Water)
9.0
Refractive Index
1.5
Refectance (Green Filter)
80
Moisture Content
<1%
Reactivity
Inert
Color
Off-White
Typical Physical Properties - SafSil®
CT 200
CT 450
CT 550
Median Particle Size (Microns)
12
7
5
Hegman Grind
2
4.5
5.5
Oil Absorption (ASTM D281)
25
26
28
GE Brightness
77
78
80
Specific Gravity
2.34
2.34
2.34
Weight / Gallon
19.5
19.5
19.5
Hardness, Mohs Scale
5.5 - 6.0
5.5 - 6.0
5.5 - 6.0
Refractive Index
1.5
1.5
1.5
pH (10% in Water)
9
9
9
Moisture Content
<1%
<1%
<1%
Thank you for requesting an SDS. In order to process your request, please fill out our SDS Request form.