What it does
Sulfur donor. Used in place of or together with elemental sulfur; for systems with high heat ageing resistance and no bloom.
Compatible rubbers
NRSBRBRNBREPDM
Typical properties
AppearanceP
White to grey crystalline powderMelting pointP
125 °CDensityP
1.36 g/cm³P marked values are PubChem literature data (pure substance). Others are typical commercial specifications and vary by producer and grade.
Typical dosage
0.5–2.0 phr [TO BE VERIFIED]
FAQ
What is the benefit of replacing part of the sulfur with DTDM?DTDM is a sulfur donor and forms short (mono/disulfide) crosslinks. Heat ageing and reversion resistance increase. Because it is a morpholine derivative, it can form nitrosamines; the nitrosamine-safe alternative is CLD.
Related guides
Choosing nitrosamine-safe acceleratorsConventional, semi-EV and EV sulfur systems
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Sources: PubChem CID 7648 · General rubber chemistry literature · PubChem page