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| Antioxidant 60 |
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| Methyl Mercapto Benzimidazole |
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AKROCHEM Antioxidant 60 (2-Mercapto-4(5)-Methylbenzimidazole) is a non-discoloring and non - staining antioxidant for natural and synthetic rubbers, except polychloroprene.
Protection against heat and oxygen aging is excellent, especially when combined with amine or phenol type antioxidant, wherein a synergistic effect yields results superior to those of the separate constituents.
In addition to its antioxidant properties, Antioxidant 60 provides improved protection against rubber poisons, especially in combination with Antioxidant 33 or 235, or Antiozonants PD-1 or PD-2.
It also imparts steam resistance to rubber compounds and has a brightening effect on transparent goods.
In spite of its high melting point, Antioxidant 60 disperses readily in rubber mixes.
It does have a slight retarding effect in sulfur cures and reduces modulus slightly.
Maximum protection is provided in thiuram and dithiocarbamate curing systems containing little or no sulfur.
For general applications, 0.6 - 1.5 phr Antioxidant 60 is used.
For heat resistant thiuram cured compounds, 2 -3 phr is used, or 1 - 2 phr in combination with1 - 2 phr Antioxidant DQ, Antiozonant PD-1 or PD-2. |
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Appearance: Yellow-white micro-granule(oil-treated)
Specific Gravity : 1.25
Melting Point : 290'C (554¡ÆF) minimum
Oil Content : 1.5%
Storage Stability: Over two years |
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