High resilience UV glue replaces silicone rubber sealing ring

JM380 High Elasticity UV Adhesive

Product Overview

JM380 is a single-component, UV-curable acrylic adhesive specifically designed for filling and sealing electronic components. It features flexibility, high shock resistance, and excellent weather resistance.

Product Features

• Deep curing is fast.
• The adhesive layer is flexible, vibration-resistant, and offers excellent stability.
• Excellent weather resistance
• The adhesive solution has mild properties and low irritancy.
• exhibits thixotropy, which facilitates sizing;

Rubbing compound properties

Appearance: Pale yellow, translucent, viscous liquid           Appearance: Pale yellow, translucent, viscous liquid

Viscosity:             22,000–28,000 mPa·s

(Electronic viscometer 4#12 @ 25°C)

Solvent content (%):              0

Curing conditions

The following data were measured under conditions where the intensity of the Wuji Mercury lamp was 120 mW/cm²:

Table drying time (s):             30

Deep curing time

（36W UV,1mm,s）              4

Full curing energy: 800–1000 MJ/cm²

physical and chemical performance

After curing with a Wuji mercury lamp source delivering a cumulative energy of 1200 mJ/cm², the following measurements were obtained:

Hardness (Shore A):            60 ± 5

Electrical properties

^{Specific resistivity (Ω·cm): 8.3×10¹²          Specific resistivity (Ω·cm): 8.3×10¹²}

Weathering Test

The following data were measured after curing using a Wuji mercury lamp source with a cumulative energy of 1200 MJ/cm²:

condition of storage

Store in a cool, light-protected place; after opening the bottle, please immediately close the cap. Do not pour unused adhesive back into the original packaging bottle. The optimal storage temperature is 8–28°C; temperatures that are too high or too low may adversely affect the performance of the adhesive. Shelf life: 12 months.

Packaging specifications：

30ml/PCS、50ml/PCS、1kg/Barrel.