Low viscosity epoxy resin is a specially formulated system known for its high fluidity, excellent wetting ability, and ease of use. The low viscosity allows for deeper penetration and smoother flow, making it particularly suitable for applications such as electronic encapsulation and composite material manufacturing.
For example, our modified low-viscosity 128-series products—128E, 128G, 128EL, and 128BF—achieve reduced viscosity through the addition of modifiers such as AGE and 170. When used with matching low-viscosity curing agents, these resins are ideal for professional applications like floor coatings, river tables (e.g., 128E + 3357), and electronic potting.
Key characteristics of low-viscosity epoxy resins include:
Low viscosity and excellent flow properties
Strong wetting and penetration ability
Ease of processing and molding
Low shrinkage upon curing
High mechanical strength and electrical insulation
Good chemical and dimensional stability
Resistance to mold and environmental factors
These properties make low-viscosity epoxy resins a reliable choice for a variety of demanding applications.
Application Advantages：
Enhanced Process Efficiency & Product Uniformity
The low viscosity allows the resin to disperse more evenly within substrates during mixing and casting. This not only improves processing efficiency but also ensures consistency and uniformity in the final product.
Reliable Electronic Encapsulation
With excellent insulation and thermal stability, low-viscosity epoxy resins effectively protect electronic components from moisture, dust, and other environmental factors. Their low thermal expansion coefficient also helps reduce stress cracking caused by temperature changes, contributing to the long-term reliability of circuit boards.
High-Performance Composites in Aerospace
In the aerospace sector, these resins are widely used in composite manufacturing. When combined with reinforcements such as carbon fiber or glass fiber, they help produce lightweight components with enhanced strength and rigidity.
Important Processing Guidelines：
When using formulated epoxy systems, it is essential to strictly follow the recommended mixing ratios. Resin and hardener must be measured and blended according to the manufacturer's instructions—by weight or volume—as deviations can lead to improper curing or compromised performance. Additionally, low-viscosity resins should be paired with compatible low-viscosity hardeners. The use of an unsuitable hardener will alter the system's viscosity and overall performance.
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