Exolit® OP 550

Highly effective reactive, non-halogenated phosphorus polyol

Edition Date :
July 25, 2013

Clariant’s Exolit OP 550 flame retardant can be used for flexible polyurethane foams. It is a medium-viscosity liquid and it is based on a non-halogenated phosphorus polyol with a functionality of approx. 2. The product is a reactive flame retardant that can be chemically reacted into the polymeric matrix, preventing unwanted migration from the foam. Therefore, very low fogging values can be achieved which meet the most stringent emission standards for PU flexible foams in the automotive industry.

For more details see our Video about Exolit® OP 550 and 560.

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  • Benefits

    • Primarily suited for the production of flame-retarded polyurethane foams
    • High flame retardant efficiency and high ageing resistance in its flame retardant effect as well as high migration stability due to its chemical incorporation into the polymer matrix
    • Non-halogenated flame retardants with favourable environmental and health profile
    • Characterized by a high phosphorus content and high flame retardancy perfomance
  • 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.



    Contact Us
    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            %(w/w)   16.0 - 18.0  

    Photometry after oxidizing dissolution; (11/17)
    Density            g/cm³   1.31  

    at 25 °C
    Viscosity            mPa*s   max. 3,500  

    Brookfield viscosimeter, 25 °C; (11/30)
    Color Number (Hazen, APHA) Hazen   max. 600  

    Spectrophotometry; (11/22)
    Acid Number mg KOH/g   max. 2  

    Titration using alkali; (11/11)
    Hydroxyl Number mg KOH/g max. 170  

    Double Karl-Fischer-titration; (11/14)
    ¹) Delivery specification: The product is monitored on a regular basis 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 OP 550 is primarily suited for the production of flame-retarded polyurethane foams. The product is distinguished by a high flame retardant efficiency and attains a high ageing resistance in its flame retardant effect as well as a high migration stability due to its chemical incorporation into the polymer matrix.

    It is recommended to use an anti-scorching agent when processing Exolit OP 550. Potential anti-scorching agents include Hydroquinone, Lacton EG 472 or Irganox HP 3560.
  • Packaging and Handling

    Delivery form
    Liquid

    Packaging
    Exolit OP 550 is supplied in following packaging units:
    1 kg sample bottles
    50 kg PE open head drums (8 drums per pallet)
    1.000 kg net in non-returnable 1.000 liter semi bulk containers

    Storage
    In the presence of moisture or water Exolit OP 550 hydrolyses slowly and should therefore be stored and handled in such a way to exclude any potential sources of moisture.

    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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© Trademark of Clariant registered in many countries.<br />
® 2013 Clariant International Ltd 

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