• 3M Adhesion Promoter 4298UV can and bottle on a white background
  • Bottle of 3M Adhesion Promoter on a white background
  • Metal canister with a label on a white background
1 3

3M Adhesion Promoter 4298UV

3M Adhesion Promoter 4298UV

Solvent-based adhesion promoter with fluorescent dye improving acrylic foam tape bonding to low surface energy automotive plastics.

In stock

⚙ Ideal For

  • TPO, TPU, and polypropylene trim bonding
  • Automotive dashboard and interior trim
  • Injection-moulded side body mouldings
  • Automotive cladding attachment
  • Acrylic foam tape adhesion enhancement

✔ Benefits

  • Improves adhesion to low surface energy plastics
  • Fluorescent dye for coverage verification
  • Fast drying 30–90 seconds
  • Acetone-cleanable for error correction
  • Works with 3M acrylic foam and plus tapes
DETAILED DESCRIPTION →
Size
£35.99 GBP
£35.99 GBP
£29.99 Ex. VAT
Sale Sold out
Taxes included. Shipping Policy

🚚 UK Shipping: Standard (£2.99) or FREE on orders over £75.

📦 Dispatched same-day if ordered before 3pm!

Shipping Information

What Are My Shipping Options?

In-Store Pickup

In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00. 

An email confirmation will be sent when your order is ready for collection. 

Free Shipping

We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.

Shipping Fees

We also offer shipping at the following rates:

Standard-Size Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days -£23.99


Large Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days - £69.99

Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.

International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.

International orders to the rest of the world will normally be sent with DPD or UPS.

Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.

Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.

Dispatch Times

Orders placed before 15:00 Monday - Friday will be shipped on the same day. 

Orders placed after this time will be shipped on the following business day,

Please note, we are closed at weekends, as well as English Bank Holidays.

Returns Policy

Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.

Further Information

You can contact us for further information on our shipping policies using the following:

Phone: 01953 711 881

Email: sales@esupplyline.com

Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.

Contact Form: https://esupplyline.com/pages/contact

View full details

3M Adhesion Promoter 4298UV

Adhesion Promoter 4298UV is a solvent-based liquid primer specifically formulated to improve 3M Acrylic Foam Tape adhesion to low surface energy plastics commonly used in automotive applications. The fluorescent dye enables coverage verification, whilst fast drying in 30–90 seconds allows rapid tape application.

Key Features

  • Improves Adhesion to Low Surface Energy Plastics — Chemically enhances bond strength on TPO, TPU, PP, and other automotive plastic substrates.
  • Fluorescent Dye for Coverage Verification — Built-in yellow dye makes application visible, allowing technicians to confirm complete and consistent coverage.
  • Fast Drying 30-90 Seconds — Rapid drying enables quick tape application without extended wait times between preparation and assembly.
  • Works with 3M Acrylic Foam and Plus Tapes — Formulated specifically for compatibility with 3M acrylic foam tape systems.
  • Acetone-Cleanable Formula — Allows mistake correction by cleaning uncured promoter with acetone solvent.
Free UK Delivery On all orders over £75
Secure Payment SSL Encrypted Checkout
Trade Trusted Premium Quality Brands
100% Genuine Direct from Manufacturer

Description

Low Surface Energy Plastic Adhesion Challenge

Thermoplastic olefins (TPO), thermoplastic urethanes (TPU), and polypropylene (PP) are lightweight, cost-effective automotive materials with extensive use in interior and exterior trim. However, their low surface energy creates poor adhesion for pressure-sensitive adhesives—water and oil droplets bead on the surface rather than spreading, indicating the material's resistance to wetting by adhesive systems.

Chemical Surface Modification

Adhesion Promoter 4298UV works by chemically modifying the plastic surface, increasing its surface energy and receptivity to adhesive bonding. This modification is temporary and localised to the primer layer, allowing acrylic foam tape adhesives to wet and bond properly to otherwise resistant surfaces.

Fluorescent Dye as Application Quality Control

Coverage consistency is critical—incomplete or uneven promoter application results in weak spots where tape adhesion fails. The fluorescent yellow dye makes application immediately visible, allowing technicians to confirm complete coverage before tape application. This visual verification prevents assembly failures caused by inadequate primer coverage.

Rapid Drying for Production Efficiency

Traditional primers requiring extended drying time slow production workflows. Adhesion Promoter 4298UV dries in 30–90 seconds, allowing immediate tape application without extended waiting periods or clamps holding parts in position during cure.

Multi-Surface Compatibility

Beyond TPO, TPU, and PP, the promoter works effectively on nylon, glass, ABS, acrylic, EPDM, TPV/TPE, and polycarbonate—a wide range covering most automotive trim and component materials. This versatility allows a single promoter to address diverse substrate types across interior and exterior applications.

Acetone Reversibility for Error Correction

Mistakes during application—overspray, incorrect placement, accidental coverage—can be corrected by wiping uncured promoter with acetone solvent. This reversibility reduces scrap and rework without requiring complete part replacement.

Specific Formulation for Acrylic Foam Tapes

3M formulates this promoter specifically for compatibility with its own acrylic foam tape systems, ensuring optimal chemical compatibility and bonding performance. Using Adhesion Promoter 4298UV with 3M acrylic foam tapes delivers the most reliable, predictable adhesion outcomes.

More Information

Application Instructions

Prepare the substrate surface. Clean all bonding surfaces thoroughly with appropriate cleaners to remove dirt, oils, and contamination; allow to dry completely.

Confirm temperature conditions. Ensure the application environment is between 18°C and 38°C (64°F–100°F) for optimal drying and performance.

Select appropriate application method. Choose from felt-tipped applicator, gravity feed wipe, knurled roller, sprayer, or similar applicator based on coverage area and component shape.

Apply Adhesion Promoter 4298UV evenly across the bonding area. Use consistent application technique to ensure uniform, complete coverage without bare spots.

Verify coverage with fluorescent dye. The yellow fluorescent dye makes applied promoter clearly visible—inspect the coverage to confirm complete saturation of the bonding surface.

Allow drying time 30–90 seconds. Typical drying ranges from 30 seconds in warm conditions to 90 seconds in cooler environments; exact timing depends on environmental temperature and humidity.

Confirm dryness before tape application. Lightly touch the treated surface to confirm it has dried (no sticky residue) before applying acrylic foam tape.

Apply 3M Acrylic Foam Tape or Acrylic Plus Tape immediately. Once dry, apply the selected tape directly to the primed surface; do not allow extended time between priming and tape application.

Press tape firmly to establish full contact. Apply adequate pressure to ensure the tape bonds completely across all areas.

Allow final cure time. Once tape is applied, allow adequate cure time before subjecting the bonded assembly to stress or temperature extremes.

Specifications

Product Type Solvent-based adhesion promoter for acrylic foam tapes

Composition Solvent-based liquid

Colour Yellow

Fluorescent Dye Yes—for coverage verification

Solids Level Approximately 13%

Primary Function Adhesion enhancement for low surface energy plastics

Designed For 3M Acrylic Foam Tapes and 3M Acrylic Plus Tapes

Drying Time 30–90 seconds depending on environmental conditions

Application Temperature Range 18°C–38°C (64°F–100°F)

Application Methods Felt-tipped applicator, gravity feed wipe, knurled roller, sprayer, or similar

Substrate Compatibility TPO, TPU, PP, nylon, glass, ABS, acrylic, EPDM, TPV/TPE, polycarbonate, polyester, RIM

Primary Applications Automotive interior and exterior trim, dashboard components, injection-moulded side mouldings, automotive cladding

Cleanup Solvent Acetone

Mistake Correction Acetone-reversible for uncured product removal

Container Types Bottle or can

Container Sizes 118.2 mL (4 fl oz) or 3.7 L (1 gallon)

Storage Temperature 4°C–38°C (40°F–100°F)

Shelf Life 2 years in proper storage conditions

HS Code 3402.20

Documents

FAQs

What does the fluorescent dye do, and why is it important?

The fluorescent yellow dye makes the promoter application immediately visible, allowing technicians to confirm complete coverage before tape application. Incomplete coverage results in weak adhesion spots—the dye provides visual quality control to prevent this.

Can I use Adhesion Promoter 4298UV with adhesive tapes other than 3M acrylic foam tapes?

This promoter is specifically formulated for compatibility with 3M Acrylic Foam Tapes and 3M Acrylic Plus Tapes. Compatibility with other tape brands should be confirmed with 3M before application, as different adhesive formulations may have different primer requirements.

If I make a mistake during application, can I correct it without starting over?

Yes. Uncured promoter can be cleaned away using acetone solvent, allowing mistake correction without requiring part replacement. However, once the tape is applied and pressed, removal becomes more difficult.

How long should I wait between applying the promoter and the adhesive tape?

Apply the tape immediately after the promoter dries (30–90 seconds). Extended waiting time is not necessary and may reduce bonding effectiveness, so proceed with tape application as soon as drying is confirmed.

Variant Variant total Quantity Price Variant total
118 ml
118 ml
£35.99/ea 		£0.00
£35.99/ea £0.00
1 Gallon
1 Gallon
£161.99/ea 		£0.00
Sold out
£161.99/ea £0.00
View cart
0

Total items

£0.00

Product subtotal

Taxes included. Discounts and shipping calculated at checkout.
View cart