Under Base Gray Blocker 301

• Easy to mix and print

• Prevents dye migration in to colors printed on top of Under Base Blocker

• Great for printing on 100% Polyester, Performance Fabrics and Sublimation

• Excellent matte down characteristics to push the nap of the fabric down

• OEKO-TEX® Standard 100 certified, CPSIA and HR4040 Compliant

• Is “PVC Free” and environmentally safe

Application

Print Under Base Blocker 301 Gray up to 120 mc in (47 mc cm) and cure at 320°F (160°C). A thicker stencil is preferred to achieve a heavier deposit of Under Base Blocker 301 Gray to provide better coverage of the fabric and prevent migration.

Note: Due to variations in dyed polyesters, any application whether referenced or not in this technical data sheet should be pre-tested for suitability on the actual production fabric and/or consultation sought with Matsui International prior to printing.

Special Recommendations:

Under Base Blocker 301 Gray should be mixed in clean vessels using clean mixing blades and utensils. Any contamination from other ink sources or non-approved additives could make Under Base Blocker 301 Gray test positive for restricted PVC’s.

• Use Retarder MG 1-5% to help with open time in the screen
• Use Fixer WF-N 1-5% to help with wash fastness
• Use Thickener B .25-1% to help thicken the ink
• Use RV Additive 1-3% to reduce viscosity

• Shake ink gently or stir before use to avoid ink separation
• Store by closing the container
• Do not inhale or ingest
• Avoid flame, sparks, static electricity, and other ignition sources
• Dispose in a safe manner in accordance with local/national regulations
• View MSDS (Material Safety Data Sheet) for additional information

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