TW Graphics UV Standard Colors – NXG-20 Ultra Blue Gallon | UV Screen Printing Ink for Signage & Plastics

Name: TW Graphics UV Standard Colors – NXG-20 Ultra Blue Gallon | UV Screen Printing Ink for Signage &amp; Plastics
SKU: TW NXG-20-01
Availability: InStock

TW Graphics

TW Graphics NXG-20 Ultra Blue is a high-performance UV screen printing ink engineered for bold, vibrant blue graphics on signage, plastics, vinyl, and coated board. This Ultra Blue UV curable ink delivers strong color saturation, smooth coverage, and reliable adhesion on Coroplast yard signs, rigid plastics, decals, and retail displays. Fast UV cure and press-ready performance make it ideal for commercial sign shops producing durable indoor and outdoor graphics.

$231.60

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SKU: TW NXG-20-01 Category: UV Inks Tags: high gloss blue UV ink, Nazdar 3500 blue UV ink alternative, NXG-20 Ultra Blue ink, point of purchase UV screen ink, TW Graphics NXG UV ink, Ultra Blue UV curable ink, UV blue screen printing ink, UV ink for Coroplast signs, UV ink for plastics and vinyl, UV screen printing ink for signage

Description

What Is NXG-20 Ultra Blue Used For?

TW Graphics NXG-20 Ultra Blue is a professional-grade UV screen printing ink used to produce rich, high-impact blue graphics on rigid plastics, vinyl, corrugated plastic (Coroplast), coated paper, styrene, and banner materials. This ink is designed for commercial screen printers who require strong color vibrancy and dependable production performance.

If you print:

Retail signage
Yard signs and political signs
Real estate signs
POP displays
Event signage
Industrial labels
Transit signage
Vinyl decals and stickers
Directional signage
Promotional boards

This Ultra Blue UV curable ink is built for those applications.

NXG-20 delivers a bright, saturated blue tone that provides excellent contrast for logos, text, and graphic elements. It is ideal for branding and promotional materials where strong visual impact is critical.

Designed for Sign Shops & Production Screen Printers:

Part of the trusted TW Graphics NXG UV ink system, NXG-20 is a one-component, press-ready ink formulated for smooth performance on manual presses and high-speed automated lines. It is engineered to maintain stable viscosity during long multi-color production runs, ensuring consistent ink laydown from start to finish.

This product is commonly used as a:

UV screen printing ink for signage
UV ink for plastics and vinyl
UV ink for Coroplast signs
Ultra Blue UV curable ink
Point of purchase UV screen ink

If you currently use Nazdar UV blue inks, NXG-20 Ultra Blue is a strong Nazdar 3500 Series blue alternative with comparable cure speeds and substrate compatibility.

Where It Performs Best:

NXG-20 Ultra Blue 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.

How It Cures:

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

NXG-20 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 for complete adhesion and durability.

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 2728C
Color Type – Standard UV color
Match Type – Closest visual Pantone equivalent
Note – Pantone references are approximate visual matches. Final color appearance may vary depending on substrate, ink deposit, mesh count, and curing conditions. Always test and confirm color accuracy before production runs.

Why Screen Printers Choose NXG Standard Colors:

Strong color saturation – Bright, vibrant blue with excellent coverage
Fast UV cure – Designed for commercial production speeds
High gloss finish – Clean, professional surface appearance
Stable viscosity – Consistent performance on in-line presses
Broad substrate range – Vinyl, plastics, Coroplast, coated board

NXG-20 Ultra Blue is ideal for indoor and outdoor signage where bold color, durability, and production efficiency are essential.

Nazdar® Cross-Reference – Comparable UV Blue Ink:

Looking for a Nazdar 3500 Series Blue alternative?

TW Graphics NXG-20 Ultra Blue is comparable in application, cure method, and substrate compatibility to Nazdar 3500 Series UV screen inks. Both are one-component, UV-curable screen printing inks designed for signage, plastics, corrugated plastic, and coated board applications.

Like Nazdar 3500 Series inks, NXG-20:

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 commonly used for signage, POP displays, decals, and promotional graphics

As with any ink substitution, adhesion, cure energy, and substrate compatibility 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

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

FREQUENTLY ASKED QUESTIONS

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