Sigmacure
Sigmacure
The most versatile PUCB binder system in the market HAI's Sigmacure products owes its position as the leading core production process due to its versatility, efficiency, and cost-effectiveness. Sigmacure offers a wide selection of part ones and part twos resins to meet all production requirements and specifications.
Proven results
- The highest levels of casting quality
- Highly complex castings, such as thin wall thickness
- Ideal for highly automated production
- Can be used with many alloys
To learn more, view our Sigmacure Technical Data Sheets.
System Features
- High productivity, fast cycle times
- Good processability and good bench life of the sand mixture even when a suboptimal substrate is used
- Excellent dimensional accuracy
- Moisture-resistant, even under difficult ambient conditions
- Flexible/customizable system for special requirements
- Suitable with a large variety of equipment
- High process safety
- Lowest cost use
- Low-risk system / higher degree of safety
New – Sigmacure 138/238
Engineered to deliver the best bench life properties, especially when adverse ambient conditions exist, and hot sand is prevalent.
- Excellent performance when hot sand, hot ambient conditions, as well as relative high humidity are an issue
- Engineered mainly for Fe applications
- Best bench life performance
- Good hot strength
Sigmacure 127 / 217
- High-performance PUCB binder
- High out-of-the-box tensile strengths
- Excellent choice for tight dimensional tolerance castings
- Helps to minimize shrinkage defects associated with PUCB systems
- The first option for high-value, high-production aluminum applications
- An excellent option for the SPM process
- Low condensables
- Reliable bench life performance
- Performs with both ferrous and non ferrous alloys

Sigmacure 135 P1
Sigmacure 235 P2
Sigmacure 210MOD P2
- Increase core-making productivity
- Fastest cycle-to-cycle
- Fast curing speed
- Outstanding wipe-off properties
- Reduce downtime at core-making
- Avoid dumping unnecessary sand from hoppers
- Exceptional release properties
SC135/210MOD (better)
SC135/235 (best)
- Improve hot strength for Fe applications (*SC 210MOD)
- High out-of-the-box strengths (*When Hybrid systems are used)
- Excellent bench life compare to other standard systems
Technical Assistance
HAI can help you optimize your operation, improve your performance, and help you choose components to meet all your core-making needs. HAI will help you choose the right Part 1 to Part 2 ratios for your operation. Contact us today and let one of our experienced employees help you find the best binder to achieve your goals.