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Pharmaceutical kaolins
IMERYS’ kaolins are extracted from primary
deposits in the South West of England, UK.
With over 200 years of heritage in the region,
customers can rely on IMERYS Kaolin to supply
the highest quality kaolin products.
Our kaolins have been used for decades in applications
where their high-purity and low heavy metals content
are particularly valued, such as in the pharmaceutical
and cosmetics industries.
T H E A P P L I C A T I O N O F M I N E R A L S C I E N C E
A T T R I B U T E S
- High purity
- Tested by ISO accredited laboratory
- Controlled chemistry
F O R M O R E I N F O R M A T I O N
t: +44 (0)1726 818000 f: +44 (0)1726 811200 perfmins@imerys.com imerys-perfmins.com
UKP/PR001 - FIRST EDITION - 05/17
BP Heavy Kaolin
BP Light Kaolin
BP Light Kaolin (Natural)
Heavy Metals (max. ppm) 25 20 20
Arsenic (max. ppm) - 2 2
Chlorides (max. ppm) 250 330 330
+53 micron residue (max %) 0.05 0.025 0.025
Loss on Drying (max %) - 1.5 1.5
Loss on Ignition (max %) - 15 15
T E S T L I M I T S I N C L U D E :
IMERYS’ technology centre in the UK contains both an ISO 2001 Quality and Process Control laboratory and an ISO 17025
accredited Analytical laboratory. This ensures that key high purity requirements of kaolins in the pharmaceutical and allied
industries are tested to independently verified analytical standards.
B P H E A V Y K A O L I N
Fine, white powder, odourless and smooth to the touch and practically insoluble in water and in organic solvents.
A refined, natural hydrated aluminium silicate. It is tested for chemical and physical properties in the manner
defined by the specification of British Pharmacopoeia 2013.
B P L I G H T K A O L I N
Light, white powder, free from gritty particles, odourless and unctuous to the touch.
A native hydrated aluminium silicate, selectively sourced and dried and milled to a fine powder. It contains a suitable
dispersing chemical and is tested for chemical and physical properties in the manner defined by the specification
of the British Pharmacopoeia 2013.
B P L I G H T K A O L I N ( N A T U R A L )
Light, white powder, free from gritty particles, odourless and unctuous to the touch.
A native hydrated aluminium silicate, selectively sourced and dried and milled to a fine powder. It does NOT contain
a dispersing agent. The product is tested for chemical and physical properties in the manner defined by the specification
of the British Pharmacopoeia 2013.
All pharmaceutical grades products can be supplied in 20kg or 25kg paper sacks, with containerised pallet shipping available.
IMERYS does not guarantee conformance to microbiological limits because it does not have full control of handling and
storage conditions once the product has left our premises. An irradiation service is available through a third party which
irradiates to a specified dose. No guarantee of sterility can be provided.
If you wish to discuss further how IMERYS can help with your pharmaceutical needs, especially when considering tailor-made
solutions for the pharmaceutical industry, please contact your local IMERYS representative.
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