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| Nocceler PR |
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| Di-O-tolylguanidine salt of dicatechol borate |
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| 16971-82-7 |
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Only used for CR, especially sulfur-modified types.
Also activator for thiazole and thiuram group for SBR and NR. |
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Appearance: Grayish white powder
Heating loss: 2.0% max
Melting point: 165'C min
Ash: 3.0% max
Molecular Weight: 467.34
Rubber staining property: Slight
Vulcanization accelerating power: Moderate |
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