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Diatomaceous earth is a naturally occurring, soft, siliceous sedimentary rock that is crumbled into a fine white to off-white powder. It is composed of the fossilized remains of tiny, aquatic organisms called diatoms. This powder is widely used in various industrial applications, particularly in food processing, due to its absorbent properties and ability to filter and clarify liquids. Diatomaceous earth is also known for its insecticidal properties, making it useful in pest control within food processing environments.
| Composition | Silica (SiO2) content typically 80-90% |
| Particle size | Typically ranges from 5 to 50 microns |
| pH level | Neutral to slightly alkaline, typically between 6 to 8 |
| Moisture content | Usually less than 5% |
| Color | White to off-white |
When selecting diatomaceous earth, buyers should consider the intended application, such as food processing or pest control. It is important to specify the required purity levels, as food-grade diatomaceous earth must meet specific safety standards. Additionally, buyers should inquire about particle size and moisture content to ensure suitability for their processes. Quantities may vary based on the scale of use, so it's advisable to discuss bulk purchasing options with suppliers.
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Food-grade diatomaceous earth is safe for human consumption and used in food processing.
It acts as a desiccant, dehydrating insects that come into contact with it.
Yes, food-grade diatomaceous earth is generally safe for pets when used as directed.
Yes, it is often approved for use in organic farming as a natural pest control method.
It should be kept in a cool, dry place, away from moisture.
Inhaling large amounts of diatomaceous earth dust can irritate the lungs; proper safety precautions should be taken.