Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: Dymax MD® 1901-M
Manufacturer: Dymax Corporation
Technologies: Light-curable acrylated urethane adhesive, solvent-free, designed for rapid bonding of medical substrates
Color: Clear, blue fluorescing under UV inspection light
Cure Type: UV/Visible light cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
Dymax MD® 1901-M is a flexible, high-performance, LED-curable electronic coating with secondary heat-cure capability. It is specifically engineered to provide moisture barriers, sealing, and coating for medical microcircuits and other sensitive components. The material is solvent-free, repairable, and designed for use on both flexible and rigid substrates. Additionally, it is flame-retardant, meeting UL 94 V-0 standards, and fully compliant with RoHS Directive 2015/863/EU.
The product is ideally suited for:
Coating of medical microcircuits
Sealing of delicate assemblies
Providing a moisture barrier in sensitive electronic components
| Category | Property | Value | Test Method |
|---|---|---|---|
| Uncured | Solvent Content | No Nonreactive Solvents | N/A |
| Chemical Class | Acrylated Urethane | N/A | |
| Appearance | Lt. Yellow Translucent Liquid | N/A | |
| Density (g/ml) | 1.06 | ASTM D1875 | |
| Viscosity (cP, 20 rpm) | 3,000 (nominal) | DSTM 502‡ | |
| Shelf Life (at 1–5 °C) | 12 months | N/A | |
| Cured Mechanical | Durometer Hardness | A67 | ASTM D2240 |
| Tensile Strength (MPa [psi]) | 2 [290] | ASTM D638 | |
| Elongation at Break (%) | 45 | ASTM D638 | |
| Modulus of Elasticity (MPa [psi]) | 3 [480] | ASTM D638 | |
| Other Cured Properties | Refractive Index (20 °C) | 1.50 | ASTM D542 |
| Boiling Water Absorption (2 h, %) | 1.7 | ASTM D570 | |
| Water Absorption (24 h, 25 °C, %) | 1.5 | ASTM D570 | |
| Linear Shrinkage (%) | 0.4 | ASTM D2566 | |
| Glass Transition Temperature (Tg, °C) | 35 | DSTM 256‡ | |
| Electrical Properties | Dielectric Strength (V/mil) | 652 | ASTM D149 |
| Breakdown Voltage (kV) | 33 | ASTM D149 |
‡ DSTM = Dymax Standard Test Method
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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