F 25

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TYPICAL PROPERTIES:
Appearance                                                                   Small brown lumps
Chemical Composition                                                   Rapeseed oil, cross-linked with sulphur, free of mineral oil.
Total Sulphur %     ASTM D 1552 (LECO)                     21.5  - 24.5
Free sulphur %         Auler method                                3.5 - 4.5
Acetone Extract (%, DIN ISO 1407)                               15 - 23
Ash, 2hrs at 950°C (DIN EN ISO 3451-1)                      0.2% max.
Density @20°C (DIN ISO 787 part 10A)                        1.1 g/cm3

Note: The above analytical data are not specifications.
 



APPLICATIONS:
F 25 reduces the cold flow of raw ebonite compounds and improves calendering. Besides ebonite powder, F 25 can be a useful compounding ingredient with the aim of reducing the heat rise due to the exothermic nature of hard rubber vulcani-zation. As an advantage of the combined usage of ebonite powder and F 25, the resulting hard rubber is less sensitive to failure by impact and has a lower density. Up to F 25 loadings of 25 phr, the polishing properties of the hard rubber surface are not adversely affected.
 



 STORAGE AND HANDLING:
 Store in originally sealed packaging in cool, dry places.
Shelf Life is min. one year  under the recommended storage conditions.
Avoid all personal contact. Observe good personal hygiene. For additional information, it is advised to consult the Material Safety Data Sheet (MSDS) for F 25

 

 
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