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| Nocrac DP |
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| N,N'-Diphenyl-p-phenylenediamine |
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| 74-31-7 |
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Used for NR, IR, BR, SBR, NBR and CR.
Strongly effective against flex-cracking but very hard blooming, staining and discoloring.
So limited quantitively In usage, but no influence on vulcanizing action.
In general, used in combination with PA.
Particularly, suitable for tires and belts. |
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Appearance: Grayish powder
Melting point: 130'C min.
Ash: 0.3% max.
Heating loss: 0.3% max.
Antioxidant efficiency: Flex-cracking resistant
Rubber staining property: Remarkable
Recommended quantity: Less than 0.35 phr |
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