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Antiozonant PD-2
Antiozonant PD-2 is a staining/discoloring antiozonant and antioxidant in rubber goods(including natural, SBR, NBR, and PBD).
It provides excellent protection against ozone, heat, oxidation, flex-cracking and metal ion(copper/manganese) poisoning.
Its use is restricted to dark colored articles where migratory staining can be tolerated.
Antiozonant PD-2 has a low melt point allowing excellent dispersion characteristics.
It can have an activating effect on sulfur cures, especially in polychloroprenes(Polychloroprenes normally use MPD-100 for ozone protection unless one of the above high diene polymers is present.
In this case, small amounts of PD-2 help protect the second polymer).
PD-2 is not recommended with peroxide cures.
Typical dosages of PD-2 are 1 to 2 phr. Up to 4 phr (or in combination with antioxidants like PANA, or Antioxidant 58) may be used in severe dynamic applications.
A petroleum wax (paraffin/microcrystalline blend)is recommended to aid static ozone resistance and help bring PD-2 to the rubber surface.
Appearance: brown to violet-brown pellets
Melting Point : 45'C (113'F) minimum
Active Substance Content : 97% min.
Specific Gravity: 1.02
Industrial field others
Akrochem Chemical Co
Phone 330-535-2100; 800-321-2260
Fax 330-535-8947
Homepage www.akrochem.com
E-mail kristenspurlock@akrochem.com
Address 255 Fountain St., Akron, OH 44304-1991
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