What is TAIC-50 Masterbatch?
TAIC-50 masterbatch is a specially formulated, pre-dispersed version of triallyl isocyanurate (TAIC). Instead of handling pure TAIC powder, manufacturers use TAIC-50 as liquid-like soft micro-beads, where 50% TAIC is evenly embedded in a carrier polymer.
This design offers three major benefits:
1. Better dispersion in rubber and plastics
2. Reduced dust and safer workplace handling
3. More stable crosslinking performance during processing
For industries that rely on precise crosslinking—such as EVA solar film, rubber products, wire & cable compounds, and thermoset materials—TAIC-50 provides a more convenient and predictable processing experience than traditional powder TAIC.
TAIC Powder is the Key to Crosslinking Efficiency
TAIC powder has always been recognized as a powerful crosslinking promoter in peroxide-cured systems. It enhances molecular bonding, improves heat resistance, and increases the mechanical strength of polymers.
If you’ve already explored this topic, you may recall the detailed explanation in your previous article, “TAIC Masterbatch: The Key to Crosslinking Efficiency”, which covers how TAIC improves the curing process and why it is widely used across the rubber and plastics industry. Building on those concepts, this comparison will help readers understand whether powder TAIC is still the best option—or whether TAIC-50 offers a smarter upgrade.
Liquid Beads vs. Powder
When comparing TAIC-50 and powder TAIC, the biggest visible difference lies in their physical form and processing behavior.
TAIC-50 (Liquid-Like Micro-Beads)
- No dust during feeding
- Superb flowability, easy to dose and feed into mixers
- Even dispersion, preventing agglomeration
- Cleaner production environment
- More stable in storage (less hygroscopic than powder)
Powder TAIC
- May produce dust, requiring extra protection and careful handling
- Higher risk of uneven mixing or local concentration
- Can absorb moisture, affecting consistency
- Cheaper per kilogram, but may increase hidden costs (waste, cleaning, safety measures)
In practice, TAIC-50’s bead-like structure significantly improves process safety and consistency, especially in automated or high-precision compounding lines.
Which One Delivers More Stable Performance?
Stability is one of the most decisive factors for production engineers.
TAIC-50 tends to offer more stable and predictable performance because:
- Pre-dispersion ensures uniform distribution of TAIC throughout the polymer matrix.
- Less volatility, reducing the risk of under- or over-crosslinking.
- Lower sensitivity to humidity, maintaining consistent curing behavior.
- Reduced local scorching, especially in peroxide-cured systems.
TAIC Powder may still perform well, but:
- Uneven mixing may lead to spots of higher concentration
- Batch-to-batch variations become more likely
- External factors like humidity and handling conditions have stronger impact
For manufacturers who aim for high reliability, TAIC-50 generally provides a smoother and more controlled curing process.
When Should You Choose TAIC-50 Over Powder TAIC?
TAIC-50 is the better choice in the following scenarios:
✔ High-precision or large-scale production
If consistency matters, pre-dispersed TAIC-50 helps eliminate fluctuations.
✔ Applications requiring excellent optical or mechanical stability
For example:
- EVA solar encapsulation films
- Wire & cable insulation
- Rubber seals and gaskets
- Thermoset molding compounds
✔ Facilities aiming to reduce dust and improve workplace safety
Cleaner operations and easier storage make TAIC-50 more convenient.
✔ Automated production lines
The bead form improves feeding accuracy and avoids clogging.
✔ When minimizing hidden costs is a priority
Even if TAIC-50 may cost more per kg, it reduces:
- Waste
- Cleaning time
- Ventilation needs
- Processing failures
For most modern manufacturers, TAIC-50 provides a more efficient, controlled, and safer solution.
Conclusion
Both TAIC-50 and powder TAIC play important roles in polymer crosslinking, especially in peroxide-cured systems. However, TAIC-50 offers a more stable, user-friendly, and production-efficient alternative thanks to its pre-dispersed micro-bead form. While powder TAIC remains suitable for traditional processes and cost-sensitive applications, manufacturers seeking cleaner production, better dispersion, and consistent curing results often find TAIC-50 a superior option. For industries prioritizing quality and efficiency, TAIC-50 stands out as the more modern, reliable choice.
cwc@jxbh-masterbatch.com
Jiaxing Beihua Polymer Auxiliaries Co., Ltd. / Shanghai Crystal Wells Chemical New Materials Co., Ltd.

