TW Graphics UV Advanced Color Gamut Halftone Colors™ – NXG-43 Halftone Black P.R. Gallon | UV Process Black Ink for Four-Color Screen Printing

Name: TW Graphics UV Advanced Color Gamut Halftone Colors™ – NXG-43 Halftone Black P.R. Gallon | UV Process Black Ink for Four-Color Screen Printing
SKU: TW NXG-43-01
Availability: InStock

TW Graphics

TW Graphics NXG-43 Halftone Black P.R. is a UV-curable process black ink engineered for four-color (CMYK) screen printing applications. This Process Reproduction (P.R.) black is designed for accurate tonal balance, smooth gradations, and controlled dot gain in high-resolution graphics printed on plastics, vinyl, Coroplast, and coated board. Fast UV cure and press-ready performance make it ideal for commercial sign shops producing detailed multi-color graphics and photo-quality prints.

$186.34

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SKU: TW NXG-43-01 Category: UV Inks Tags: Halftone Black PR UV ink, Nazdar process black UV alternative, NXG-43 Halftone Black P.R., TW Graphics NXG UV ink, UV CMYK black ink, UV four color process ink, UV halftone black ink, UV ink for plastics and vinyl, UV process black screen printing ink, UV screen printing ink for signage

Description

What Is NXG-43 Halftone Black P.R. Used For?

TW Graphics NXG-43 Halftone Black P.R. is a professional-grade UV halftone ink used in standard four-color process printing. It is formulated for accurate reproduction of shadow detail and tonal transitions without the increased density of high-density (H.D.) versions.

If you print:

Four-color process signage
Photo-realistic retail graphics
POP displays
Event posters
Trade show graphics
High-detail promotional boards
Transit signage
Vinyl decals and overlays

This UV process black ink is built for those applications.

NXG-43 delivers balanced black density ideal for maintaining proper CMYK color calibration and predictable color builds.

Designed for Sign Shops & Production Screen Printers

Part of the TW Graphics NXG Advanced Color Gamut Halftone Colors™ system, NXG-43 is engineered specifically for consistent dot structure and controlled ink transfer during long production runs.

This product is commonly used as a:

UV halftone black ink
UV process black screen printing ink
UV CMYK black ink
UV four color process black
UV screen printing ink for plastics

If you currently use Nazdar UV process black inks, NXG-43 Halftone Black P.R. is a strong Nazdar process black alternative with comparable cure speeds and substrate compatibility.

Where It Performs Best:

NXG-43 Halftone Black P.R. adheres to:

Treated polyethylene (PE)
High-density polyethylene (HDPE)
Polycarbonate (PC)
Polystyrene / Styrene
Pressure-sensitive vinyl
Static cling vinyl
Reinforced vinyl banners
Coated paper and board stocks
Corrugated plastic (Coroplast™)

For polyethylene substrates, surface tension should be 42–46 dynes/cm or higher. Always perform adhesion testing before full production runs.

Recommended Screen & Printing Parameters:

Mesh count – 305–380 tpi recommended for halftone detail
Ink deposit – Thin, controlled film for accurate dot reproduction
Squeegee – 70–75 durometer
Pressure – Light to medium pressure

Proper screen tension and controlled ink deposit are critical for accurate halftone reproduction.

How It Cures:

This is a true UV-curable ink. It does not air dry.

NXG-43 cures under focused medium-pressure mercury vapor UV lamps in the 250–360nm spectral range. Typical UV energy requirements range from 150–300 mJ/cm² at 365nm depending on film thickness.

Under proper UV settings, the ink typically cures in a single lamp pass at production belt speeds of 50–75 feet per minute.

Pantone Equivalent:

Pantone Match – Pantone Process Black
Color Type – Halftone / Process UV color
Match Type – Designed for CMYK process reproduction
Note – Final density and dot gain may vary depending on mesh count, ink deposit, substrate, and curing conditions. Always test and calibrate before production.

Why Screen Printers Choose NXG Advanced Gamut Halftone Colors™

Balanced process density – Ideal for standard CMYK calibration
Clean dot reproduction – Optimized for fine halftone printing
Fast UV cure – Designed for commercial production speeds
Stable viscosity – Consistent performance on in-line presses
Broad substrate range – Vinyl, plastics, Coroplast, coated board

NXG-43 Halftone Black P.R. is ideal for printers requiring predictable process black performance without the added density of high-density formulations.

Nazdar® Cross-Reference – Comparable UV Process Black Ink:

Looking for a Nazdar UV Process Black alternative?

TW Graphics NXG-43 Halftone Black P.R. is comparable in application and cure method to Nazdar UV process ink systems used for four-color screen printing. Both are one-component, UV-curable inks designed for high-resolution process graphics on plastics, corrugated plastic, and coated board.

Like Nazdar process inks, NXG-43:

Is a press-ready UV screen printing ink
Cures under medium-pressure mercury vapor UV lamps
Is designed for plastics, vinyl, polyethylene, styrene, coated board, and Coroplast
Is optimized for halftone and CMYK reproduction

As with any ink substitution, adhesion, cure energy, and color calibration testing should be completed prior to full production runs.

Ordering & Shipping Information:

Drop Ship Item – This product drop ships directly from TW Graphics in Commerce, California
Processing Time – Please allow additional time for handling and shipment
Final Sale – Non-returnable and non-refundable
Orders Must Be Placed Online – Colors cannot be changed after ordering

Technical Specifications

Color System: CMYK four-color process
Viscosity: Optimized for smooth ink flow and minimal press adjustments
Mesh Count: Recommended for 305-355 mesh for optimal halftone reproduction
Curing Requirements:
- UV Exposure: 300-400 mJ/cm² at 365nm
- Fully cured under standard UV light systems
Adhesion Range: Suitable for pressure-sensitive vinyl, polystyrene, polycarbonate, HDPE, Coroplast™, and coated paper stocks
Shelf Life: 12 months when stored properly

How to Use TW Graphics UV Halftone Colors:

Prepress Setup: Ensure proper screen tension and use a high-tension mesh for accurate dot reproduction.
Ink Preparation: Stir thoroughly before use to maintain consistency.
Printing Conditions: Use a squeegee with a 70-75 durometer for precise ink transfer.
Curing Process: Expose prints to UV light (300-400 mJ/cm² at 365nm) for full adhesion and durability.
Testing: Always conduct a test print to ensure proper ink adhesion and color accuracy before full production.

TW Graphics NXG UV Standard Colors – Technical Specs & Usage Guide

Technical Specifications:

Ink Type: UV Curable Screen Printing Ink
Viscosity: Optimized for multi-color in-line presses
Curing Method: UV light exposure
Curing Energy Requirement: 150-300 mJ/cm²
Adhesion: Bonds to treated plastics, vinyl, and various rigid substrates
Durability: Up to 2 years light-fastness with automotive-grade pigments
Resistance: Water-resistant and highly durable for indoor & outdoor applications
Finish: Satin/Gloss (varies by substrate and curing conditions)
Printability: Low pile height rheology for smooth ink laydown
Thinner/Additives: NXG Series Reducer (use sparingly)

How to Use TW Graphics NXG UV Standard Colors

Step 1: Screen Preparation

Use a properly tensioned screen for optimal results.
Recommended mesh count: 230-355 tpi (90-140 tpcm), depending on image detail.
Coat the screen with a UV-compatible emulsion, ensuring full stencil adhesion.

Step 2: Ink Application

Stir the ink thoroughly before use.
Print using a 70-80 durometer squeegee with a sharp edge for crisp details.
Use a medium squeegee pressure for optimal ink deposition.

Step 3: Curing Process

Cure under UV light exposure at 150-300 mJ/cm² for full adhesion.
Ensure proper exposure time in the dryer to avoid under-curing.
Avoid excessive UV exposure, which can overcure and affect adhesion properties.

Step 4: Testing & Post-Curing Considerations

Always perform an adhesion test on a sample print to verify cure levels.
Allow the print to cool before stacking or packaging.
NXG inks are designed for optimal adhesion, but post-treatment options (such as flame or corona treatment) may be required for certain non-porous substrates.

Recommended Printing Substrates:

✅ Plastics & Synthetics: Treated Polyethylene, HDPE, Polycarbonate, Polystyrene (Styrene), Static Cling Vinyl
✅ Rigid Boards & Papers: Coated Board Stocks, Cardstock, Pressure-Sensitive Vinyl
✅ Banners & Signage: Reinforced Vinyl Banners, Coroplast™, Transit & Point-of-Purchase Displays

⚠ Important Notes:

This ink requires UV curing and will not air-dry.
Do not mix with solvent-based inks or non-UV-compatible additives.
Store in a cool, dry environment away from direct sunlight.

TW Graphics NXG UV Standard Colors deliver fast-curing, high-adhesion, and long-lasting performance, making them the perfect choice for screen printers working with plastic, vinyl, banners, and signage applications.

Technical Sheets / Safety Data Sheets / Documents

NXG UV Screen Printing Ink Technical Data Sheet

NXG UV Screen Printing Ink Safety Data Sheet

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