PRINTING TIPS
Use 86-156t/in (34-61t/cm) mesh screens for optimal performance and opacity
For best results, use a print-flash-print technique to ensure sufficient ink deposit on dark fabrics.
For challenging polyester fabrics, use Union InkT UPLC1550 Low Cure Barrier Grey or UPLC8550 Barrier Black as a base layer to achieve maximum bleed resistance.
A behavior for high-opacity low cure inks is to "body-up" or gain viscosity when at rest. Be sure to "pre-shear" or agitate this ink before use to achieve optimal flow before printing. Be careful to not use high-speed drills or similar equipment that will create friction-heat that can cause the ink to begin to cure. Store ink buckets up off of cold floors to reduce pre-shear time.
Curing is a time and temperature process. Using a lower temperature, at a lower belt speed will provide the best result without damaging the fabric.
* On Polypropylene and Rayon fabrics the recommended curing profile is 250° F (121° C)
Adjust your print parameters to allow this ink to clear fully on the second stroke using medium to low pressure for best dye blocking and opacity. As this ink shears down, less pressure will be required. Adjust accordingly.
RECOMMENDED PARAMETERS
Fabric Types - Poly blends, 100% Polyester, 100% Nylon, Polypropylene*, Rayon*