Grey Bentonite Clay dusting powder. For use as a "clean" ageing dust for costumes and props. Also employed to produce safe volume special effect dust clouds.

Pack size: 5kg. (Approximately 5litres)

Product Size: Dust / Powder

Description and Use:
Bentonite clay dusting powder in natural light grey for use as a "clean" ageing dust for costumes, textiles and props in theatres and displays. The clay is also used to generate special effect dust clouds in the film industry due to its ability to produce large volume dust clouds specifically in pyrotechnic explosions and training dust following off-highway vehicles.

Health and safety Considerations:
Whilst "Fullers Earth" is frequently used to generate dust clouds, this generic term covers a multitude of clay sourced world-wide, and unless the precise source can be identified it does not adequately define the clay's mineralogical composition for an effective risk analysis to be made.

Grey Bentonite Dusting Clay is sourced from a single location with a declared composition. A full Material Safety Data Sheet is available for download.

When creating airborne dust specific consideration needs to be addressed with regard to silica (SiO₂ ). Our Grey Clay Powder has a declared silica content of less than 2%, with less than 1% potentially respirable crystalline silica.

Prolonged and / or massive inhalation of respirable silica causes silicosis, and whilst this product is considered to be "low silica" adequate precautions should be addressed.

The UK occupational time weighted average exposure for crystalline silica over 8 hours is 0.1mg per m³ There would appear to be little information or specific recommendation on high levels of exposure over short periods.

Sodium bentonite itself is not considered to be hazard.

Occurrence:
Bentonite is a variety of clay which is predominantly composed of the mineral Montmorillonite. This grey clay is thought to be a product derived from the decomposition of volcanic ash, and is worked from beds of Cretaceous and Tertiary age in the Western United States. This Sodium based clay is generally known as a "swelling clay" due to the ease with which it takes up water and its ability to form thixotropic gels. However, this description is misleading as all bentonite clays to a greater or lesser extent take up water and expand.

Density when mixed 1:1 with water: Approx 1.2

pH: 7.1

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Quick Contact:
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Rocks in a Box^™ For protection and security your product will be shipped in a weatherproof pack within our easy-to-handle double walled cardboard box.

Boxes are delivered by national couriers. Please advise during checkout or contact our office if you have specific delivery requirements or concerns.

Both the inner plastic pack and the outer box can be recycled via normal household or industrial/commercial collections.

Specify: Grey Bentonite Clay Dusting Powder from Specialist Aggregates.

Bentonite powders are available in a range of colours including:
White: Product Code 6084
Ochre: Product Code 6086
Brown: Product Code 6087
Beige: Product Code 6088

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