TW Graphics UV Additives – NXG-3901 NXG-Thinner Gallon | UV Ink Viscosity Reducer for Screen Printing

Name: TW Graphics UV Additives – NXG-3901 NXG-Thinner Gallon | UV Ink Viscosity Reducer for Screen Printing
SKU: TW NXG-3901-01
Availability: InStock

TW Graphics

TW Graphics NXG-3901 NXG-Thinner is a professional-grade UV ink thinner designed to reduce viscosity and improve ink flow in the TW Graphics NXG UV ink system. This UV screen printing ink reducer helps fine-tune print performance without compromising cure speed or adhesion when used within recommended percentages. Ideal for sign shops and production screen printers who need smoother laydown, improved detail, and controlled ink deposit.

$111.32

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SKU: TW NXG-3901-01 Category: UV Inks Tags: NXG-3901 UV thinner, thinner for UV screen printing ink, TW Graphics NXG thinner, TW Graphics UV additives, UV curable ink additive, UV ink flow additive, UV ink press additive, UV ink thinner, UV ink viscosity reducer, UV screen printing ink reducer

Description

What Is NXG-3901 NXG-Thinner Used For?

TW Graphics NXG-3901 is a UV curable ink additive used to reduce ink viscosity and improve flow characteristics in UV screen printing applications. It allows printers to adjust ink body for finer mesh counts, improved detail reproduction, or smoother transfer on high-speed automatic presses.

If you need to:

Reduce ink viscosity for high mesh printing
Improve ink flow on detailed graphics
Minimize ink build-up
Fine-tune ink deposit
Improve print smoothness
Adjust ink performance for specific substrates

NXG-3901 UV thinner is built for those applications.

This product is especially useful when printing through 230–305 mesh counts, when shop temperatures thicken ink, or when tighter image detail requires improved flow.

Designed for Sign Shops & Production Screen Printers:

Part of the TW Graphics NXG UV ink system, NXG-3901 is formulated specifically for compatibility with NXG standard and fluorescent colors. It maintains proper cure characteristics when used within recommended ratios and does not introduce solvent-based chemistry into the UV system.

This product is commonly used as a:

UV ink thinner
UV screen printing ink reducer
UV ink viscosity reducer
UV ink flow additive
Thinner for UV screen printing ink

It is designed for controlled modification of ink rheology without affecting gloss or adhesion when used properly.

How to Use NXG-3901:

Recommended addition rate – 2–5% by weight
Mix thoroughly before printing
Do not exceed recommended percentages
Test cure and adhesion after adjustment

Always perform testing before full production runs.

Why Screen Printers Use NXG-Thinner

Improves ink flow – Smoother transfer through higher mesh counts
Reduces viscosity – Helps adjust ink body for shop conditions
Maintains UV cure performance – Compatible with NXG ink chemistry
Production control – Fine-tune ink deposit and detail
Designed for NXG system – Engineered specifically for TW Graphics UV inks

NXG-3901 gives printers more control over print performance without compromising production efficiency.

Compatibility:

NXG-3901 is compatible with:

TW Graphics NXG Standard Colors
TW Graphics NXG Fluorescent Colors
TW Graphics NXG UV ink system

Do not mix with solvent-based inks or non-UV-compatible additives.

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 – Additives cannot be returned once opened

Technical Specifications

How to Use NXG-3901 NXG-Thinner:

Mixing Ratio: Add 1% to 5% of NXG-3901 to NXG UV inks based on the desired reduction in viscosity.
Thorough Mixing: Stir well to integrate the thinner evenly into the ink.
Screen Mesh Recommendations: Compatible with a 230-355 mesh count for precise printing.
Curing Instructions: Cure under UV light (300-400 mJ/cm² at 365nm) for proper adhesion and durability.
Testing: Always perform a test print before full production to ensure desired results.

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.