Brand: Everwide
Product Number: JA577
Technology: High-Performance Epoxy Adhesive
Color: Milky (Part A), Yellow (Part B)
Cure Type: Room Temperature Curing
Package Size: Contact us for details
Shelf Life: 1 year
Everwide JA577 is a two-component, medium-viscosity, toughened epoxy adhesive that forms a tough, off-white bondline with high peel and shear strength. It is designed for applications requiring high crack and fatigue resistance, making it ideal for vibrational environments. This epoxy provides exceptional durability and environmental resistance, ensuring reliable bonding for plastics, metals, glass, and ceramics.
| Property | JA577A (Part A) | JA577B (Part B) |
|---|---|---|
| Appearance | Liquid | Liquid |
| Color | Milky | Yellow |
| Viscosity (25°C, S14 50rpm, cps) | 13,000–19,000 | 13,000–22,000 |
| Viscosity (25°C, S14 5rpm, cps) | 28,000–41,000 | 17,000–30,000 |
| Thixotropic Index | 1.5–3.1 | ≥1.2 |
| Mixing Viscosity (25°C, cps) | 25,000 | |
| Specific Gravity | 1.16 | 1.01 |
| Property | Value |
|---|---|
| Mix Ratio (A:B) by Volume | 2:1 |
| Mix Ratio (A:B) by Weight | 2:1 to 0.87 |
| Pot Life (25°C) | 30 min |
| Surface Dry Time (25°C) | 4 hr |
| Through Cure Time (25°C) | 7 days |
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) (DSC) | 48–52°C |
| Glass Transition Temperature (Tg) (TMA) | 69°C |
| Glass Transition Temperature (Tg) (DSC, 80°C cure) | 63°C |
| CTE (30–40°C), µm/m/°C | 20 |
| CTE (60–100°C), µm/m/°C | 261 |
| Durometer Hardness (Shore D) | 82 |
| Water Absorption (25°C, 24 hr) | 0.07% |
| Water Absorption (80°C, 24 hr) | 1.71% |
| Water Absorption (97°C, 1.5 hr) | 0.49% |
| Shear Strength (Al vs. Al, 25°C) | 235–324 kgf/cm² |
| Degradation Temperature (TGA, 10°C/min) | 323°C |
| Thermal Conductivity | 0.3 W/mK |
| Thermal Resistance | 0.01 m²K/W |
| Volume Resistivity | 5 × 10¹⁵ ohm-cm |
| Surface Resistivity | 5 × 10¹⁴ ohm |
| Dielectric Constant (100Hz) | 4.1 |
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As the year draws to a close and the Christmas season arrives, Avantek Viet Nam would like to extend our warmest Christmas greetings to all our valued customers, partners, and friends.
Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
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