Matsui Under Base Blocker 301-LG Black Water Base Screen Printing Ink
Under Base Blocker LG (Black Paste) is a base that is printed down first to block dye sublimation on polyester fabrics.
$29.99 – $339.99
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Description
Features:
- 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
- Is “PVC Free” and environmentally safe
Technical Specifications
Application:
Print Under Base Blocker LG 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 LG 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 LG 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 LG 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 Fixer L 1-3% to help with wash fastness(Low cure crosslinking additive)
- Use Thickener B .25-1% to help thicken the ink
- Use RV Additive 1-3% to reduce viscosity
Technical Data Sheet:
- Wet Ink Tack | Low
- After Flash Tack | Low
- Printability | Excellent
- Surface Appearance | Matte
- Opacity/Viscosity | High/Medium
- Bleed Resistance | Excellent
- Flash Temperature | 160°F (71°C)/decreases with deposit thickness
- Cure Temperature | 320°F (160°C)
- Squeegee Hardness | Medium
- Squeegee Blade | Sharp
- Squeegee Angle | 45 degrees to screen
- Squeegee Speed | Medium
- Underlay | N/A
- Emulsion | Direct or indirect
- Mesh Count | 80-120 mc in (32-47 mc cm)
- Thinner | RV Additive
- Thickener | Thickener B
- Storage | 65°F to 95°F (18°C to 35°C). Avoid direct sun.
- Cleanup | Water and mild soap or detergent
- Color Range | Black
- Substrate Type | Cotton/Poly, Polyester
- Substrate Color(s) | Light, Medium and Dark Fabrics