Brand: Everwide
Product Number: JA293-49
Technology: Epoxy Adhesive
Color: Black (Part A), Colorless (Part B)
Cure Type: Room Temperature or Heat Curing
Package Size: Contact us for details
Shelf Life: 1 year
Everwide JA293-49 is a two-component epoxy adhesive developed for electronic device potting. It offers excellent fluidity, making it easy to apply and process. The cured product provides a high-gloss surface finish and strong chemical resistance. With an extended pot life, this epoxy is ideal for industrial applications that require long working times. It also meets stringent environmental standards and provides high durability for demanding conditions.
| Property | JA293-49A (Part A) | JA293-49B (Part B) |
|---|---|---|
| Appearance | Liquid | Liquid |
| Color | Black | Colorless |
| Viscosity (25°C, cps) | 70,000–140,000 | ≤100 |
| Mixing Viscosity (25°C, cps, S14 100rpm) | 3,000–5,000 | – |
| Thixotropic Index | ≥2.5 | – |
| Specific Gravity | 2.08 | 0.98 |
| Property | Value |
|---|---|
| Mix Ratio (A:B) by Weight | 100:8 |
| Pot Life (25°C) | 6 hours |
| Through Cure Time (25°C) | 5–7 days |
| Through Cure Time (80°C) | 2 hours |
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) | 41°C |
| CTE (<Tg), μm/m/°C | 83 |
| CTE (>Tg), μm/m/°C | 181 |
| Specific Heat (0°C) | 0.33 J/g°C |
| Specific Heat (25°C) | 0.47 J/g°C |
| Specific Heat (50°C) | 0.70 J/g°C |
| Specific Heat (75°C) | 0.74 J/g°C |
| Specific Heat (100°C) | 0.77 J/g°C |
| Durometer Hardness (Shore D) | 84 |
| Water Absorption (25°C, 24 hr) | 1.45% |
| Water Absorption (80°C, 24 hr) | 1.16% |
| Water Absorption (97°C, 1.5 hr) | 0.69% |
| Degradation Temperature (TGA, 10°C/min) | 340°C |
| Thermal Conductivity | 0.8 W/mK |
| Volume Resistivity | 4.5 × 10¹⁵ ohm-cm |
| Surface Resistivity | 4.5 × 10¹⁴ ohm |
| Dielectric Constant (100Hz) | 4.1 |
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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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