Chemical Name: 4,4'-dithiodimorpholine
CAS No.: 103-34-4
STRUCTURAL FORMULA:
MOLECULAR WEIGHT: 236
Specification
| Item | Crystal | Oiled crystal | Granule |
| Appearance | White crystal(granule) | ||
| Initial M.P. οC ≥ | 120 | 120 | 120 |
| Loss on drying % ≤ | 0.3 | 0.4 | 0.3 |
| Ash % ≤ | 0.3 | 0.4 | 0.3 |
| Residues on 840μm sieve, % ≤ | 0 | 0 | -- |
| Additive, % | -- | 0.0-1.0 | -- |
| Granule Diameter, mm | -- | -- | 2.5 |
Properties
White crystalline or powder. Specific gravity: 1.28-1.32. No poison. Soluble in benzene, alcohol and acetone; Insoluble in water.
Application
Sulphur donor vulcanizing agent for efficient vulcanization and semi-efficient vulcanization cure system; provide heat/reversion/aging resistance in NR and synthetic rubbers; non-blooming; excellent storage safety.
It can be used as a vulcanizing agent and accelerator for both natural and synthetic rubber. When used as a vulcanizing agent, it decomposes to release active sulfur only at the vulcanization temperature, making its use safe and preventing scorching. While its vulcanization speed is slow when used alone, it can be increased when used in combination with accelerators such as thiazoles, thiurams, or dithiocarbamates. Although salicylic acid-based acids can promote its decomposition and accelerate vulcanization, they can also decrease the physical properties of the vulcanized rubber. When used as an accelerator, the amount of sulfur used can be appropriately reduced due to its high effective sulfur content. Using this product prevents blooming, contamination, and discoloration of the rubber compound. When used in effective and semi-effective vulcanization systems, the resulting vulcanized rubber exhibits good heat resistance and aging resistance.
Handling Precautions
For detailed information on toxicological and handling precautions please refer to current Safety Data Sheet. This information sheet can be requested from Great Bridge Chemical and should be consulted before using this product.
Packaging
25kg plastic woven bag, paper wilh plastic film bag, kraft paper bag
Storage
Store Great Bridge Chemical DTDM in single stacked pallets in a cool, dry, well ventilated area, avoiding exposure of the packaged product to direct sunlight. Double stacking of palletized material can result in unusual compaction of product. High humidity and/or temperature can cause degradation that may result in shorter scorch times. Do not store this product near Crystex as the amine vapors characteristically emitted from this material can cause Crystex to revert to "Rubber Maker's" sulfur.
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