SIGMA
High-Performance Solvent Ink
Time Maximized
Waste Minimized
- 12-Hour
Decap Time - 24-Month
Shelf Life - Endless
Supply

A heatless inkjet ink, SIGMA solvent ink for HP 45si Specialty Printing Systems cures fast with deeper blacks and high durability, offering an industry-leading 24-month shelf life with 12-hour decap.
12-hour decap improves efficiency
We measure SIGMA decap in hours, not minutes. SIGMA is the HP 45si solution for OEMs and industrial inkjet printers for maximum latency.
- Significantly reduce maintenance costs
- Less wasted materials
- Reduced nozzle failure
- Improved trajectory, volume, and velocity
24-month shelf life reduces ink waste
Count on quality and performance from SIGMA’s extended shelf life. Ink management just got easier–and less costly.
- Reduce disposal costs
- Reduce ink costs
- Improve control of ink inventory
Fast-drying, heatless inkjet printing
No need for external heat sources or dryers, because SIGMA cures quickly on non-porous substrates.
- Less power consumption saves money
- Improved running times
- Reduced equipment and maintenance costs
Coming Soon
Faster properties times and improved dot gain
More substrates for TIJ printing systems
SIGMA is uniquely engineered to support HP Speciality Printing Systems for TIJ coding, marking, and mailing production, delivering richer blacks with high durability on more difficult, non-porous substrates:
- Plastics – Nylon, OPP, PET, PVC
- Metals
- Packaging – Glossy and UV laminated papers
- Other non-porous substrate
Testimonial
“Our customers are very happy to use SIGMA because of the long decap time. Until SIGMA , that has been a weak point for TIJ ink.”
Don Inyoung
PT Asia Ltd.
Interested in SIGMA?
No minimum order quantity and quick turnaround time. Reach out to our expert team and we’ll be happy to help you.
Comparing Solvent Inks for HP 45 SI Systems
Kao Collins Sigma | General IQ 800 | SoluJET | HP2590 | |
---|---|---|---|---|
Decap | 12 hours | 1 hour | 1 hour | 24 hours |
Shelf Life | 24 months | 9 months | 6 months | 9 months |
Dry Time | 3 - 5 seconds | 2 - 4 seconds | 1 - 3 seconds | 2 - 4 seconds |
Operating Conditions | 10°C - 40°C | 15°C - 35°C | 15°C - 35°C | 15°C - 35°C |
SIGMA helps you reach sustainability goals
No need for external heat sources or dryers, because SIGMA cures quickly on non-porous substrates.
- Lowers environmental impact by producing less waste
- Reduces transportation costs, thanks to ink conservation
- Lowers energy consumption through heatless curing
- Offers a cost-effective alternative to continuous inkjet printers (CIJ)
Ink Responsibly.™
FAQs
Shelf life
Q. What is the shelf life of SIGMA ink?
A. The shelf-life stability of our individual SIGMA ink cartridges lasts 24 months, more than double that of other ink manufacturers.
Decap
Q. What is the decap time of SIGMA ink?
A. SIGMA solvent ink has a decap of 12 hours, much longer than other solvent inks on the market.
Colorant
Q. What is the colorant of SIGMA ink?
A. The ink is a dye solution engineered to deliver richer blacks than other inks on the market.
Curing
Q. Does SIGMA use heat for curing
A. No. The ink dries fast without external curing sources to produce a durable, resistant result.
Ordering
Q. What is the minimum order quantity for SIGMA ink?
A. Unlike other ink manufacturers, Kao Collins does not require a minimum order quantity (MOQ) for SIGMA ink.
SIGMA Solvent Specs
View SIGMA Ink PDF
SIGMA TSK318203 - HP 45si TechnologyView SIGMA Ink PDF |
|
Fast Dry
Excellent Decap SIGMA is a solvent-based ink formulated to dry quickly on difficult media such as plastic films (PE, PET, PP), PVC, UV coats, and some metals, with extended open times (decap). Contact Kao Collins for SDS for this product |
|
Ink features |
Recommended printer settings |
|
|
Cartridge maintenance & handling |
Cartridge storage |
|
|
Printhead performance |
|
|
Need something else?
Reach out today and let us know how our friendly, knowledgeable team can help.