Westbrook-Mendoza LTD. has been one of the premier shippers of industrial and laboratory testing sands for over 30 years. We ship specially graded silica testing sands for use in cement production. These sands are naturally rounded silica sands comprised of nearly pure quartz and specially graded for ASTM testing. All sands are mined from the Ottawa, Illinois area and meet the ASTM standards indicated.
Why choose Westbrook-Mendoza to ship your industrial & laboratory testing sands?
Lowest Freight Rates
We offer the lowest freight rates in the industry, period. From South America to the Middle East to East Asia, we'll get it there cheaper, faster.
Prompt Delivery
Our staff is dedicated to providing you with prompt estimates and order processing, so you get the product you order by the time you need it.
PErsonalized Service
Talk to a human every time you call. We pride ourselves on offering a personalized approach, so you know the person on the other end of the line every time you make an order.
Laboratory and Industrial Sand Specifications
Silica Testing Sand grades are produced for use in cement testing. C-109/C-190 standard sands meet the ASTM specification for tensile compressive strength tests.
These two Silica grades are whole grain silica sand of exceptional uniformity and chemical purity. Processing and screening is performed under QIP tm quality assurance programs to ensure product consistency.
Chemical Analysis
| Mean Percent By Weight | ||||
|---|---|---|---|---|
| 20/30 | 30/40 | 40/50 | ||
| Silicon dioxide | SiO2 | 99.78 | 99.76 | 99.76 |
| Iron dioxide | Fe2O3 | 0.020 | 0.017 | 0.017 |
| Aluminum oxide | Al2O3 | 0.06 | 0.07 | 0.07 |
| Titanium dioxide | TiO2 | 0.007 | 0.010 | 0.010 |
| Calcium oxide | CaO | <0.01 | <0.01 | <0.01 |
| Magnesium Oxide | MgO | <0.01 | <0.01 | <0.01 |
| Loss on ignition | LOI | 0.12 | 0.12 | 0.12 |
Particle Size Analysis
| MESH (ASTM E-11) | Graded C-109 | Standard C-190 | |
|---|---|---|---|
| Sieve Analysis | 20 | -- | 1.2 |
| 25 | -- | 57.6 | |
| 30 | 2.0 | 98.9 | |
| (Typical Mean % Cumulative Retained) | 35 | -- | 100.0 |
| 40 | 29.4 | -- | |
| 50 | 75.4 | -- | |
| 100 | 98.0 | -- | |
| PAN | 100.0 | -- |
Particle Properties
| Typical Values | |||||
|---|---|---|---|---|---|
| Property | Test Method | Unit | 20/30 | 30/40 | 40/50 |
| Mineral | Petrographic | -- | Quartz | Quartz | Quartz |
| Color | Visual | -- | White | White | White |
| Hardness | Moh | -- | 7 | 7 | 7 |
| Agglomerated grains | API 39A | % | 0.2 | 0.1 | 0.1 |
| Roundness | API 39A | -- | 0.9 | 0.8 | 0.8 |
| Sphericity | API 39A | -- | 0.9 | 0.8 | 0.8 |
| HF-HCI solubility | API 39A | % | 0.50 | 0.30 | 0.45 |
| Turbidity | API 39A | FTU | 73 | 70 | 75 |
| Silt and soft particle | API 39A | % | 0.2 | 0.2 | 0.2 |
| Crush resistance, 2000 psi | ASTM C-24 | % | 1.9 | 1.9 | 2.0 |
| Melting point | ASTM C-566 | °F | 3135 | 3135 | 3135 |
| Moisture content | ASTM C-128 | % | <0.1 | <0.1 | <0.1 |
| Specific gravity | C-29 | -- | 2.65 | 2.65 | 2.65 |
| Bulk density, aerated | C-29 | lb/cu ft | 92-95 | 92-95 | 92-95 |
| Bulk density, compacted | AWWA B-100 | lb/cu ft | 98-100 | 98-100 | 98-100 |
| Effective size | AWWA B-11 | mm | 0.68 | 0.51 | 0.36 |
| Uniformity Coefficient | -- | 1.15 | 1.14 | 1.16 | |