Amber Transparent UV Adhesive 3766 NTC Thermistor Sealant Flexible Bend Resistant High FPC Metal Adhesion

Amber Transparent UV Sealant 3766 - NTC Thermistor Sealant for New Energy Applications

3766 is an amber transparent, UV-curable sealant specially designed for NTC thermistor and new energy sensor encapsulation. Its low hardness and excellent flexibility allow repeated bending without cracking, while its high adhesion to FPC and metal ensures reliable protection in demanding automotive and battery applications.

Key Features

• Low hardness - soft, stress-relieving protection for delicate thermistor elements.
• Fast curing - rapid UV cure for high-efficiency production.
• Flexible and bend resistant - withstands repeated flexing of FPC assemblies.
• High adhesion to FPC and metal - strong, durable bonding on flexible circuits and metal substrates.
• Excellent moisture and aging resistance - long-term reliability in humid environments.
• High dielectric strength - 18 kV/mm electrical insulation performance.

Applications

• NTC thermistor encapsulation and sealing.
• New energy vehicle battery temperature sensor protection.
• FPC flexible circuit board bonding and reinforcement.
• Metal substrate and sensor module sealing.
• Thermal management component protection in EV battery packs.
• Moisture-sensitive electronic component encapsulation.

Technical Datasheet

FAQ

Q1: What UV energy does 3766 require to cure?
3766 cures at 1500 mJ/cm2 with fast curing speed, allowing quick, efficient sealing of NTC thermistors and sensors in automated production.

Q2: Why is 3766 suitable for NTC thermistor encapsulation?
Its low hardness and flexibility protect delicate thermistor elements from stress and bending damage, while providing reliable sealing and insulation.

Q3: Can 3766 bond to FPC and metal substrates?
Yes. 3766 offers high adhesion to FPC flexible circuits and metal substrates, making it ideal for new energy sensor and battery applications.

Q4: Does 3766 provide good electrical insulation?
Yes. 3766 features a dielectric strength of 18 kV/mm, delivering excellent electrical insulation for encapsulated components.

Q5: What is the shelf life and storage requirement?
3766 has a shelf life of 6 months when stored in its original sealed container at 8-28C, away from direct sunlight and UV light sources.

Q6: What packaging sizes are available?
3766 is available in 50g and 300g packages, suitable for manual dispensing and automated production lines.