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Tuffy Peelable Blue Protective Coatings

4200EB Tuffy Peelable Blue Protective Coating

A peelable blue protective coating for display-module and electronic assembly applications. It forms a removable layer around selected areas, supporting temporary protection and access for subsequent rework.

Model
4200EB
Pack sizes
150 ml and 1,000 ml bottles
Shelf life
12 months
Free samplesCustomer-paid freightOEM support

Surfaces & applications

LCM display modules, LCD assemblies and selected COG, COF, TAB and TCP connection areas after process compatibility evaluation.

Protection for display-module assemblies

The blue coating is used for encapsulation protection of LCM assemblies, including COG, COF, TAB and TCP structures. It is also described for moisture-resistant insulation at ACF electrode connection areas in LCD and PDP panels. The application boundary should follow the assembly design so that connectors, test contacts and other functional surfaces remain available where required.

Electronic display and circuit board applications for peelable blue coating
Electronic display and circuit board applications for peelable blue coating

A cured film that supports rework

The material is described as low-viscosity and forms a film with strength and flexibility after curing. Peelability supports rework when the protected area later needs to be accessed. Plan the removal path and ensure that peeling will not place unwanted mechanical stress on a connection, flexible circuit or component. Inspect the assembly after removal rather than judging rework only by how easily the film lifts.

Two curing references

The listed curing references are six hours at 25°C or one hour at 60°C. Choose the route around the component's temperature tolerance and the available production equipment. The film thickness and access to heat affect a real assembly, so a representative process sample should be used to confirm the handling stage and final inspection.

Blue protective coating being peeled from a display edge
Blue protective coating being peeled from a display edge

Bottle sizes and material control

150 ml and 1,000 ml bottles are available. A smaller bottle can suit low consumption or trial work, while the larger format supports repeated assembly operations. The stated shelf life is 12 months. Keep identification and batch information with the material and avoid contamination when transferring it to a dispensing container.

Technical reference

Product specifications

Use these details alongside your substrate, application method and service conditions.

Discuss your requirements
PropertyDetail
Model4200EB
AppearanceBlue liquid
Pack sizes150 ml and 1,000 ml bottles
Room-temperature curing reference6 hours at 25°C
Heated curing reference1 hour at 60°C
Shelf life12 months
Main applicationsLCM encapsulation and moisture-resistant insulation at ACF electrode connections
Module typesCOG, COF, TAB and TCP
RemovalPeelable film for rework access

Application process

Protection through the complete cycle

  1. 01

    Define the coating area

    Identify the module structure, connection area and surfaces that must remain clear.

  2. 02

    Prepare

    Use the component-compatible cleaning method and ensure the area is dry.

  3. 03

    Apply a controlled film

    Distribute the blue coating evenly without flooding adjacent contacts or recesses.

  4. 04

    Cure

    Use the selected reference route: 25°C for six hours or 60°C for one hour, within the assembly's process limits.

  5. 05

    Inspect and evaluate rework

    Check coverage, assembly function and the removal procedure on the representative module.

Apply to the defined area of a clean assembly and keep connectors or functional contact surfaces outside the coating boundary unless the process specifies otherwise. Cure according to the selected formulation. Assess adhesion, electrical requirements and removal on the actual module.

A closer look

Product & application gallery

Product formats, surface details and application examples.

1000 ml blue coating bottle with display film peeling demonstration
1000 ml blue coating bottle with display film peeling demonstration
150 ml blue coating bottle with display film peeling demonstration
150 ml blue coating bottle with display film peeling demonstration
Electronic display and circuit board applications for peelable blue coating
Electronic display and circuit board applications for peelable blue coating
Blue protective coating being peeled from a display edge
Blue protective coating being peeled from a display edge
Tuffy blue coating curing temperature and time illustration
Tuffy blue coating curing temperature and time illustration
Blue coating bottle beside a display module
Blue coating bottle beside a display module
View all 7 images
Dimensions of 150 ml and 1000 ml coating bottles
Dimensions of 150 ml and 1000 ml coating bottles

From evaluation to supply

Start with a sample.

Free samples are available; freight is paid by the customer. Order quantities vary by product and packaging. Many bulk coatings start at approximately 50 kg; contact sales for a flexible starting quantity. The usual order lead time is 10–20 days after details are confirmed, with shipping time additional. Include OEM requirements in your enquiry.

Practical answers

Frequently asked questions

Can the coating be removed for rework?

Peelability is part of the product purpose. Confirm removal force and any residue on the actual assembly and cure cycle.

Which model is represented by this specification?

This page describes the 4200EB version shown on the product packaging and curing information.

Can the 60°C curing route be used for every module?

Use it only where the complete assembly tolerates that temperature. The room-temperature route provides an alternative reference.

What are the main display applications?

LCM encapsulation involving COG, COF, TAB and TCP structures, and moisture-resistant insulation of ACF electrode connections in LCD or PDP panels.

Let’s find the right coating

Discuss this product

Provide the display assembly type, contact materials, coating boundary, curing capability, required rework method and monthly quantity.

Phone & WhatsApp
+86 151 7525 6533
Sample support
Free samples. Customer-paid freight.

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