Product name: Trithiocyanuric Acid
Chemical structure:
Abbreviation: TCY / TMT
Chemical name: 2,4,6-Trimercapto-1,3,5-triazine
Empirical formula: C3H3N3S3
Molecular weight: 177.26
CAS-NO: 638‑16‑4
introduction
TCY (Trithiocyanuric Acid) is an efficient curing agent for halogenated specialty rubbers and the preferred dedicated vulcanizer for ACM acrylic rubber. It is supplied as light yellow amorphous powder with outstanding thermal stability (decomposition temperature ≥320°C). Apart from rubber vulcanization, it serves as a heat stabilizer for polypropylene and other high polymers.
Product Specification
|
Item |
Standard |
|
Appearance |
Light yellow powder |
| Ash content % | ≤0.5 |
| Loss on Heating (%) |
≤0.5 |
| Purity (%) | ≥97 |
| Residue on Sieve (150 μm) | ≤0.1 |
| Residue on Sieve (63 μm) |
≤0.5 |
Application
- Special rubber vulcanization: ACM, CO, ECO, CIIR, BIIR, CR, NBR/PVC rubber‑plastic blends.
- Heat stabilizer for polypropylene and other polymers.
- Cross‑linking agent for PVC & phenolic resin.
key features
- Fast vulcanization rate with good scorch safety, shorten curing cycle;
- Vulcanizates show good mechanical property, outstanding oil‑resistance, heat‑resistance and low compression set;
- Improve adhesion performance between rubber and metal;
- Can be used as cross‑linking agent for PVC and phenolic resin.
Packaging
Composite paper bag with inner polyethylene liner, net weight 25 kg per bag.
FAQ
1. What is the scorch performance of TCY compounded stocks, and how to optimize processing safety?
TCY features fast cure rate and acceptable scorch safety. For long-term storage or high-temperature processing conditions, antiscorch agent CTP is recommended to delay premature scorch and extend stock shelf life.
2. Can TCY be used in non-rubber polymer systems?
Yes. Apart from rubber vulcanization, TCY functions as a heat stabilizer for polypropylene and other polyolefins, as well as a crosslinker for PVC and phenolic resin systems.
3. How should we store TCY to maintain its quality?
Keep it sealed in the original composite paper bags with PE liner, store in a cool, dry and well-ventilated warehouse, away from moisture, strong oxidants and direct sunlight.
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