ODAKE CT3847 is a high-performance PUR sealant engineered for frame bonding and edge sealing on E-ink displays, touch panels, and automotive screens. It excels in harsh environments, offering superior resistance to heat, humidity, thermal shock, and artificial sweat for long-term reliability.
ODAKE CT3847 is a one-component, moisture-curing polyurethane (PUR) sealant developed for frame bonding and sealing in precision electronic devices. It provides strong structural adhesion, reliable edge sealing, and superior environmental protection for E-ink displays, touch screens, and automotive center displays—ensuring product stability and durability throughout its lifecycle.
E-Readers & E-Ink Notebooks
High-Toughness Bonding: Effectively absorbs stylus impact, protecting the underlying display.
Optically Friendly: Supports full-lamination processes, reducing ambient light reflection and enhancing paper-like visual performance.
Automotive Center Displays (Including E-Ink Displays)
Aging and Thermal Shock Resistance: Withstands extreme in-vehicle temperature fluctuations, ensuring long-term reliability.
Fatigue and Vibration Resistance: The cured elastic adhesive layer effectively absorbs continuous vibration during driving.
Industrial Handheld Devices & Outdoor Displays
IP-Rated Sealing: Provides reliable dust and waterproof protection (IPx4–IPx7 levels).
Salt Spray and Chemical Resistance: Suitable for harsh industrial and outdoor environments.
| Model | CT3847 |
| Main Chemical Composition | Polyurethane (PUR) |
| Appearance | Transparent, solidified state |
| Viscosity (mPa·s) | 5,000 – 8,000 |
| Tack-Free Time (min) | 15–20 (25°C, 50% RH) |
| Full Cure | 24 hours (25°C, 70–75% RH) |
| Operating Temperature Range | -30°C to +120°C |
| Heating Temperature | 110°C – 130°C |
| Packaging | 30 mL vacuum cartridge |
| Shelf Life | 9 months |
The data provided in this document represent typical values obtained from actual measurements and standard tests. ODAKE assumes no responsibility for data obtained by unauthorized personnel or through unapproved testing methods. As application conditions may vary, the above information should be adjusted according to the user’s specific situation. ODAKE shall not be held liable for any actual circumstances, including but not limited to any loss of profit.
1.Air Release After Storage:
After 4 months from the production date, air bubbles may be present in the cartridge. Puncture a small hole at the nozzle with a needle to release trapped air before dispensing.
2.Storage Conditions:
Do not expose the sealant to direct sunlight. Store in a cool, dry, and well-ventilated place.
3.Application Preparation:
Cut off the sealed tip of the nozzle according to the required dispensing amount, attach the nozzle to a compatible glue gun, and apply as needed.
4.Curing Conditions:
Ensure the adhesive layer is adequately exposed to air during use. Greater exposure area results in faster curing; insufficient exposure may cause slow or incomplete curing.
5.Curing Rate Factors:
Thicker adhesive layers take longer to cure. Higher ambient temperature (not exceeding 60°C) and humidity accelerate curing, while lower conditions slow it down.
6.Usage Time After Opening:
Use the product within 4 hours after opening for best performance.
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