CONATHANE EN-5317 Polyurethane Encapsulant
Harmonization Code : 3909.20.00.90 | Amino-resins, phenolic resins and polyurethanes, in primary forms : Melamine resins : Other
Main features
- 300 cP Mixed Viscosity
- 1:1 Controlled Mixing
- Clear Polyurethane for Potting and Bonding
Product Description
CONATHANE EN-5317 is an unfilled, two-component polyurethane system for potting, encapsulating, and bonding electrical and electronic assemblies. Part A urethane prepolymer and DP32127 Part B curative mix at 100:97 by weight or 1:1 by volume. The mixed system has a typical initial viscosity of 300 cP and a 10-15 minute work life at 25 C. Documented applications include electrical potting, electronic encapsulation, and adhesive bonding. Use either 7-10 days at 25 C or 16 hours at 80 C.
Key features
- Flow and dispensing: Low initial mixed viscosity of 300 cP at 25 C.
- Mix ratio: Cartridge-friendly 1:1 mix ratio by volume.
- Application fit: Clear polyurethane for potting, encapsulation, and bonding.
Applications
- Electrical potting
- Electronic encapsulation
- Adhesive bonding
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Mechanical Properties
Additional Information
CONATHANE EN-5317
CONATHANE EN-5317 is an unfilled, two-component polyurethane system for potting, encapsulating, and bonding electrical and electronic assemblies. Part A urethane prepolymer and DP32127 Part B curative mix at 100:97 by weight or 1:1 by volume. The mixed system has a typical initial viscosity of 300 cP and a 10-15 minute work life at 25 C.
CONATHANE EN-5317 - Two-component polyurethane potting and encapsulation system.
Component and mixed-system data
Part A, Part B, and mixed-state values are separated below.
| State | Property | Value | Unit | Condition |
|---|---|---|---|---|
| Part A | Viscosity | 1,000 | cP | 25 C |
| Part A | Specific gravity | 1.06 | None | 25 C |
| Part B | Viscosity | 220 | cP | 25 C |
| Part B | Specific gravity | 1.03 | None | 25 C |
| Mixed system | Mix ratio | 100:97 | By weight | Part A:Part B |
| Mixed system | Mix ratio | 100:100 | By volume | Part A:Part B |
| Mixed system | Initial viscosity | 300 | cP | 25 C |
| Mixed system | Work life | 10-15 | min | 25 C |
Mix, degas, dispense, and cure
Maintain the specified component ratio and processing conditions.
Processing sequence for CONATHANE EN-5317.
Processing stages
Store sealed containers at 20-30 C in a dry environment away from direct sunlight. Shelf life is 12 months from shipment in the original sealed containers, while cartridge packaging may have a different shelf life. After opening, use immediately or blanket the container with dry air or nitrogen before resealing.
Typical cured-system performance
Specimens for the physical-property data were cured for 16 hours at 80 C.
| Property | Value | Unit | Method or condition |
|---|---|---|---|
| Hardness | 70 | Shore A | ASTM D2240 at 25 C |
| Tensile strength | 2,200 | psi | ASTM D412 at 25 C |
| Ultimate elongation | 200 | % | ASTM D412 at 25 C |
| Tear strength | 110 | pli | ASTM D624 at 25 C |
| Linear shrinkage | <0.1 | % | MIL-M-24041C |
| Lap shear, steel | 775 | psi | Without primer |
| Lap shear, aluminum | 310 | psi | Without primer |
| Thermal shock | Pass, 10 cycles | None | MIL-I-16923E, -70 to 130 C |
Values are typical and are not specification limits.
Electrical and electronic assembly protection
The clear polyurethane system supports potting, encapsulation, and adhesive use in assemblies exposed to heat, humidity, and sunlight.
Discuss CONATHANE EN-5317 with Krayden
Share your assembly geometry, dispense method, cure window, temperature exposure, and target properties to evaluate EN-5317 for potting, encapsulation, or bonding. Krayden can also help review the documented processing conditions and evaluation criteria before testing.
