Applications

Everwide JA723-5 Epoxy for Potting

Brand: Everwide
Product Number: JA723-5
Technology: Epoxy for Potting
Color: Black (Part A), Yellow (Part B)
Cure Type: Room Temperature Curing
Package Size: Contact us for details
Shelf Life: 1 year

Product Description

Everwide JA723-5 is a two-component epoxy resin formulated for potting applications. This product cures rapidly after mixing, providing outstanding adhesion strength, low thermal stress, and excellent impact resistance. It ensures a smooth, non-oily surface after curing and contains no volatile materials or toxic emissions.

Key Features

  • Excellent toughness, low thermal stress, and impact resistance
  • Smooth, non-oily cured surface with high gloss
  • No volatile compounds, ensuring a safe working environment
  • Complies with 2011/65/EU RoHS regulations
  • Meets chlorine < 900ppm, bromine < 900ppm, chlorine + bromine < 1500ppm limits

Recommended Applications

  • Potting of electronic components
  • Industrial applications requiring high adhesion and durability
  • Environments needing low thermal stress and impact resistance

Technical Data

Typical Uncured Properties
Property JA723-5A (Part A) JA723-5B (Part B)
Appearance Liquid Liquid
Color Black Yellow
Viscosity (25°C, cps) 12,000–20,000 170–300 (S21 50rpm)
Specific Gravity 1.50–1.60 1.05
Curing Properties
Property Value
Mix Ratio (A:B) by Volume 4:1
Mix Ratio (A:B) by Weight 6:1
Pot Life (25°C) 1 hr
Surface Dry Time (25°C) 8 hr
Through Cure Time (25°C) 5–7 days
Typical Cured Properties
Property Value
Glass Transition Temperature (Tg) 40°C
CTE (35–50°C), µm/m/°C 51.7
CTE (80–160°C), µm/m/°C 168
Durometer Hardness (Shore D) 78
Water Absorption (25°C, 24 hr) 0.17%
Water Absorption (80°C, 24 hr) 1.03%
Water Absorption (97°C, 1.5 hr) 0.34%
Degradation Temperature (TGA, 10°C/min) 207°C
Thermal Conductivity 0.3 W/mK
Volume Resistivity 4.5 × 10¹⁵ ohm-cm
Surface Resistivity 4.5 × 10¹⁴ ohm
Dielectric Constant (100Hz) 4.1

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