TW Graphics UV Additives – UV Adhesion Promoter 1KG | UV Ink Adhesion Booster for Difficult Plastics

Name: TW Graphics UV Additives – UV Adhesion Promoter 1KG | UV Ink Adhesion Booster for Difficult Plastics
SKU: TW UV Adh. Promoter-1kg
Availability: InStock

TW Graphics

TW Graphics UV Adhesion Promoter is a professional-grade UV ink additive designed to improve adhesion on difficult or low-surface-energy substrates. This UV screen printing adhesion promoter enhances bond strength on plastics such as polyethylene, polypropylene, and certain treated synthetic materials. Ideal for commercial sign shops and production printers who need increased chemical resistance and stronger ink anchoring on challenging substrates.

$61.71

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SKU: TW UV Adh. Promoter-1kg Category: UV Inks Tags: adhesion promoter for plastics, TW Graphics UV additive, UV adhesion promoter, UV curable ink adhesion booster, UV ink additive for Coroplast, UV ink adhesion additive, UV ink catalyst additive, UV ink for polyethylene adhesion, UV screen printing adhesion promoter, UV screen printing catalyst

Description

What Is UV Adhesion Promoter Used For?

TW Graphics UV Adhesion Promoter is a UV curable ink additive used to increase adhesion performance when printing on hard-to-bond plastics. It helps improve scratch resistance, chemical resistance, and long-term durability when printing on substrates that may otherwise experience ink lifting or failure.

If you print on:

Polyethylene (PE)
Polypropylene (PP)
Corrugated plastic (Coroplast)
Low surface energy plastics
Certain synthetic banners
Treated rigid plastics

This UV adhesion promoter is built for those applications.

It is especially useful when surface tension levels are borderline, or when additional chemical resistance is required for demanding environments.

Designed for Sign Shops & Production Screen Printers:

This UV ink adhesion additive is formulated for compatibility with the TW Graphics NXG UV ink system. It integrates into the ink chemistry without introducing solvent-based components, maintaining proper UV curing characteristics when used at recommended levels.

This product is commonly used as a:

UV adhesion promoter
UV ink catalyst additive
UV ink adhesion booster
UV screen printing catalyst
Adhesion additive for plastics

It allows printers to improve substrate bonding while maintaining production efficiency.

How to Use UV Adhesion Promoter:

Recommended addition rate – 3–5% by weight
Mix thoroughly before printing
Test cure and adhesion after adjustment
Do not exceed recommended percentages

Always perform adhesion and cross-hatch testing before full production runs.

Why Screen Printers Use UV Adhesion Promoter:

Improves ink bond – Enhances adhesion on low-energy plastics
Increases durability – Better scratch and chemical resistance
Compatible with NXG inks – Designed for TW Graphics UV systems
Production control – Fine-tune performance for challenging substrates
Maintains UV cure – Does not convert ink to solvent-based chemistry

This additive is ideal for applications where substrate surface energy or environmental exposure may compromise standard adhesion.

Compatibility:

Compatible with:

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

Not intended for use with solvent-based or non-UV inks.

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 TW Graphics UV Adhesion Promoter:

Mixing Ratio: Add 2-5% by weight to NXG UV inks, adjusting based on substrate needs.
Thorough Mixing: Stir thoroughly to ensure even distribution of the adhesion promoter.
Substrate Preparation: Clean surfaces properly before printing to maximize adhesion performance.
Screen Mesh Recommendations: Suitable for use with 230-355 mesh counts for precision printing.
Curing Instructions: Expose to UV light (300-400 mJ/cm² at 365nm) for full adhesion and durability.
Testing: Always conduct a test print before full production to confirm adhesion quality.

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.