Exolit® RP 6520

Thixotropic dispersion of red phosphorus in castor oil

Edition Date :
July 25, 2013

Exolit RP 6520, is a brown-red paste, and is a thixotropic blend of castor oil with stabilised, microencapsulated red phosphorus. The paste form allows safe and simple handling and thus processing is made easier. The thixotropic nature of this concentrate hinders the sedimentation process and simplifies the re-homogenisation after long storage periods.

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  • Benefits

    • A blend of castor oil with stabilised, microencapsulated red phosphorus. The castor oil carrier is compatible with a wide range of polyols
    • Safe and simple handling due to its paste form, making processing easier
    • The thixotropic nature hinders the sedimentation process and simplifies rehomogenisation after long storage periods
    • Developed as a flame retardant for polyurethanes
    • Very effective flame retardant due to its high phosphorus content
    • Non-halogenated flame retardant with favorable environmental and health profile
    • In combination with aluminium hydroxide, a UL 94 classification in polyurethane casting resins can be achieved with low amounts of fillers
  • Safety and MSDS

    For regulatory details such as the classification and labelling as dangerous substances or goods please refer to our corresponding Material Safety Data Sheet.

    As stated in the safety data sheet of the substance the use “industrial manufacture of screening smoke ammunition or smoke payloads” is advised against within the EU according to the REACH regulation. Therefore, every manufacturer of smoke ammunition or smoke payloads is obliged to create a chemical safety assessment for these uses and to inform the ECHA accordingly.

    Category of danger/Category  Hazard symbol R-phrases
    Explosive when mixed with oxidizing substances
    May cause sensitization by skin contact.
      Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment


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    Please contact us for safety and regulatory details or the Material Safety Data Sheet (MSDS).
  • Specifications

    Characteristics  Unit   Target Value   DS¹) TD²)  Test Method 
    Phosphorus  %(m/m)   43.0 - 48.0  

    Gravimetry after oxidizing dissolution; (11/16)  
    Density  g/cm³   1.27 - 1.47  

    at 25 °C  
    Viscosity  mPa*s   max. 50.000  

    Brookfield viscosimeter, 25 °C; (11/30)  
    Hydroxyl Number  mg KOH/g approx. 80  

     
    ¹) Delivery specification: The product is constantly monitored to ensure that it adheres to the specified values. Test methods: Clariant method numbers 11/xx in brackets.
    ²) Technical data: The technical data are used solely to describe the product and are not subject to regular monitoring.  
  • Applications

    Exolit RP 6520 has been developed as flame retardant for polyurethanes used in electrical applications. Due to its high phosphorus content the product is a very effective flame retardant. The castor oil carrier is compatible with a wide range of polyols.
    In combination with aluminium hydroxide, Exolit RP 6520 can achieve a UL 94 classification in polyurethane casting resins with low amounts of fillers.
  • Packaging and Handling

    Delivery form
    Paste

    Packaging
    Exolit RP 6520 is supplied in the following packaging:
    1 kg sample bottles
    50 kg net plastic drums
    200 kg net steel drums

    Storage
    Minimum shelf life is 12 months from the date of shipping when stored according to the said conditions.

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Disclaimer:
This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application.<br />
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* Nothing included in this information waives any of Clariant’s General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing Clariant products, are available upon request and are provided in compliance with applicable law. You should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact Clariant.<br />
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* For sales to customers located within the United States and Canada the following applies in addition: No express or implied warranty is made of the merchantability, suitability, fitness for a particular purpose or otherwise of any product or service.<br />
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® 2013 Clariant International Ltd 

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