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® 1181-M
Manufacturer: Dymax Corporation
Technologies: Light-curable acrylated urethane adhesive, solvent-free, designed for rapid bonding in medical assemblies
Color: Clear, blue fluorescing under UV light
Cure Type: UV/Visible light cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
Dymax MD® 1181-M is a multipurpose, UV/Visible light-curable adhesive designed for bonding both plastics and metals commonly used in medical device manufacturing. The material is solvent-free, cures rapidly under light exposure, and fluoresces blue under low-intensity black light (365 nm) to facilitate in-line inspection. It is engineered to cure effectively even through certain UV-blocking plastics. This product is in full compliance with RoHS Directive 2015/863/EU
The adhesive is suitable for a range of medical device assembly processes, including:
Reservoir bonding
Transducer bonding
Potting
| Category | Property | Value | Test Method |
|---|---|---|---|
| Uncured | Solvent Content | No Nonreactive Solvents | N/A |
| Chemical Class | Acrylated Urethane | N/A | |
| Appearance | Lt. Yellow Transparent Liquid | N/A | |
| Density (g/ml) | 1.14 | ASTM D1875 | |
| Viscosity (cP) | 5,750 (nominal) | ASTM D1084 | |
| Shelf Life (at 10–32 °C) | 18 months | N/A | |
| Cured Mechanical | Durometer Hardness | D80 | ASTM D2240 |
| Tensile Strength (MPa [psi]) | 38 [5,500] | ASTM D638 | |
| Elongation at Break (%) | 20 | ASTM D638 | |
| Modulus of Elasticity (MPa [psi]) | 1,240 [180,000] | ASTM D638 | |
| Other Cured Properties | Refractive Index (20 °C) | 1.52 | ASTM D542 |
| Boiling Water Absorption (2 h, %) | 4.1 | ASTM D570 | |
| Water Absorption (25 °C, 24 h, %) | 1.6 | ASTM D570 | |
| Linear Shrinkage (%) | 0.4 | ASTM D2566 | |
| Glass Transition Temperature (Tg, °C) | 85 | ASTM D5418 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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