Applications

Everwide FP321 Photo-Curing Adhesive for Plastics, TPU, and Metals Bonding

Brand: Everwide
Product Number: FP321
Technology: Photo-Curing Acrylic Adhesive
Color: Opaque
Cure Type: UV Curing
Package Size: Contact us for details
Shelf Life: 1 year

Product Description

Everwide FP321 is a UV-curable adhesive designed for bonding PVC, PET, PI, and metal connectors in computer and electronics applications. It provides high-strength bonding, preventing peeling and short-circuiting during bending. This adhesive cures rapidly under UV light, offering excellent hardness, a non-tacky surface, and dust resistance, making it ideal for electronics encapsulation and high-speed manufacturing processes.

Key Features

  • Fast UV curing for high-speed production
  • High adhesion strength to plastics, TPU, and metals
  • Excellent hardness and mechanical durability
  • Non-tacky and dust-resistant cured surface
  • Highly transparent for optical applications
  • Complies with 2011/65/EU RoHS regulations

Recommended Applications

  • Bonding of PVC, PET, PI, and metal connectors
  • Encapsulation of electronic components
  • Plastics bonding in high-speed production

Technical Data

Typical Uncured Properties
Property FP321
Chemical Composition Acrylic Resin
Appearance Liquid
Color Opaque
Viscosity (25°C, S14 20rpm, cps) 21,000–25,000
Specific Gravity (26.6°C) 1.1344
Refractive Index (nD @25°C) 1.488
Solvent Content 0%
Curing Properties
Property Value
Recommended Wavelength 310–365 nm
Minimum Light Intensity >50 mW/cm²
Minimum Light Energy 1,500–3,000 mJ/cm²
Typical Cured Properties
Property Value
Glass Transition Temperature (Tg) (TMA) 48°C
CTE (50–120°C), µm/m/°C 258
Durometer Hardness (Shore D) 68 ± 2
Specific Gravity (25°C) 1.2164
Water Absorption (24.7°C, 24 hr) 9.63%
Shear Strength (Acrylate vs. Acrylate) 105 kgf/cm²
Shear Strength (Glass vs. Glass) 51 kgf/cm²
Shear Strength (Glass vs. Al) 55 kgf/cm²
Elongation (25°C) 79%
Volume Shrinkage 6.74%

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