3721 Thinned-Type Packaging Protective Adhesive is a UV-curable adhesive specially formulated for the protection of glass substrates in thinning-type packaging applications, such as TFT glass thinning encapsulation.
Key Features
- Excellent acid & alkali chemical resistance
- Excellent adhesion to glass and metal substrates
- Superior damp-heat resistance and flexibility
- Multiple substrate compatibility and color options available
- Specially designed for thinning-type glass substrate protection, e.g. TFT glass thinning packaging
Applications
- TFT-LCD glass substrate protection during thinning-type packaging
- Glass edge sealing and protection in thinning (etching) processes
- Protective coating for glass and metal components in display modules
- Touch panel and cover glass thinning protection
- Other thin-type glass substrate thinning and packaging applications
Technical Specifications
| Color |
Red / Orange Transparent |
| Viscosity (25°C) |
3000±300 mPa.s |
| Curing Condition |
1000 mJ/cm² |
| Hardness |
Shore D 70 |
| Glass Transition Temperature (Tg) |
75°C |
| Dielectric Strength |
23 kV/mm |
| Shelf Life |
12 months (8-28°C) |
| Packaging |
1 kg |
FAQ
Q1: What is the 3721 adhesive mainly used for?
It is a UV-curable protective adhesive designed for thinning-type packaging of glass substrates, such as protecting TFT glass during thinning and thinning-type encapsulation processes.
Q2: What colors are available?
Red and orange transparent are standard options. Multiple substrates and color options are available upon request.
Q3: What curing condition does it require?
It is a UV-curing adhesive that cures at 1000 mJ/cm², enabling fast and efficient production.
Q4: What is the viscosity and how is it applied?
The viscosity is 3000±300 mPa.s at 25°C, suitable for dispensing and coating processes. Application guidance is available upon request.
Q5: What is the shelf life and how should it be stored?
The shelf life is 12 months when stored at 8-28°C in the original sealed container, away from direct sunlight.
Q6: What are its key mechanical and electrical properties?
It features Shore D 70 hardness, a glass transition temperature of 75°C and a dielectric strength of 23 kV/mm, together with excellent damp-heat resistance, flexibility and strong adhesion to glass and metal substrates.
Ideal for protecting TFT glass substrates during thinning processes, offering reliable chemical resistance and durable mechanical protection.
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UV Curing Thinned Glass Packaging Protective Adhesive Red Orange Transparent 3721 Images
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