Description
EN-4 urethane resin is the Part A polyurethane prepolymer used in ELANTAS Conathane molding, encapsulating, and potting systems. This 1 gallon container is meant to be paired with the matching EN-11 or EN-12 curative when cable assemblies, connectors, modules, and strain-sensitive components need a flexible cast polyurethane instead of a rigid potting material.
EN-4 Urethane Resin Benefits
- Serves as the common Part A base for both EN-11 and EN-12 system builds.
- Translucent amber prepolymer supports room-temperature-curing polyurethane processing.
- Hydrolytic stability and thermal shock resistance suit harsh electrical environments.
- Electrical properties are intended for high-reliability potting and molding work.
- 1 gallon size fits maintenance stock, pilot runs, and lower-volume production.
This material is sold as a component, not a complete kit, so buyers should match it to the right curative and process window before production. ELANTAS literature describes the finished systems as a fit for cable and connector potting, modules, wire wound devices, and protective coatings used on printed circuitry and related components.
Common Applications for EN-4 Urethane Resin
- Part A feedstock for cable and connector potting systems.
- Polyurethane molding of electrical parts and cable breakouts.
- Encapsulation of modules and wire wound devices.
- Coating and protective casting around printed circuitry and components.
- Bench and meter-mix processes where a flexible polyurethane system is specified.
Compatible Curatives and Processing Notes
- Pairs with EN-11 Part B or EN-12 Part B curative.
- Typical EN-12 mix ratio is 100:95 by weight and 100:100 by volume.
- Material may be preheated when lower viscosity is needed before mixing.
- Users should confirm cure schedule, degassing, and substrate fit on the full system.
EN-4 Urethane Resin Technical Specifications
| Property | Value |
|---|---|
| Product Role | Part A urethane prepolymer |
| Appearance | Translucent amber |
| Viscosity at 25 C | 7,500 cP |
| Specific Gravity at 25 C | 0.97 |
| Typical EN-12 Mix Ratio | 100:95 by weight and 100:100 by volume |
| Storage Guidance | Store below 25 C in sealed containers away from direct sunlight |
| Product Sensitivity | Moisture-sensitive material |
| Use Class | Polyurethane molding and encapsulation component |
Packaging and Ordering
This listing is for the 1 gallon Part A container only. For related system materials, browse our encapsulants and potting compounds. Product family information and technical contact details are available at ELANTAS.
Need Help?
If you need help choosing the right curative, ratio, or cure schedule for your casting or potting job, call (800) 220-1966 or email [email protected].
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