UV3403 Power battery signal collection FPC wire harness NTC encapsulated UV glue
UV3403 is a one-component, UV-curable, acrylic adhesive specifically designed for electrical applications. It’s used primarily for sealing and coating protection of sub-components. This product features medium viscosity, fast curing speed, and good weather resistance. Typical uses include NTC sealing protection on the FPC wiring harness of power battery modules.
Specifications
UNCURED PROPERTIES
| Properties | Reference |
| Chemical composition | Polyurethane acrylic resin |
| Physical state | Liquid |
| Appearance | Colorless transparent viscous liquid |
| Viscosity (25°C, spindle viscometer 4#60 mPa.s) | 4000-7000 |
| Specific gravity Kg/L | 1.08 |
| Solvent content (%) | 0 |
| Heavy metal content PPM | 0 |
CURED PROPERTIES
UV3403 curing occurs under sufficient UV irradiation. The speed and depth of curing are influenced by the light intensity, spectral distribution of the light source, irradiation time, and light transmittance of the adhered material. The provided data was measured at a 395nm wavelength under the condition of an LED surface light source producing 220mw/cm2 ultraviolet radiation.
| Properties | Reference |
| Tack free time (1mm) | 10-15 s |
| Deep curing time (1mm) | 8-12 s |
| Full cure energy (1mm) | 2600 mJ/cm² |
*Recommended Curing Equipment: FUV-100 UV Oven Curing & CUV-350 UV Conveyor Curing
UNCURED PROPERTIES
The following data are measured after curing using a 395nm wavelength LED surface light source with a cumulative energy of 2600mj/cm²
| Properties | Reference |
| Hardness Shore D | 20-25 |
| Elongation break % | 260 |
| Water absorption % | 1.37 |
| Operating time range | Customers can test by themselves according to the workpiece |
| Appearance | Transparent |
| Peel strength | 9.6 N/cm² |
Technical Documents
UV3403 Technical Data Sheet
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