About IRS 3071 Polyurethane Potting Compound
Also available to buy online at 
IRS 3071 is a semi-rigid, room temperature curing, flame retardant and thermally conductive polyurethane potting compound. Specifically designed for the cost effective encapsulation of a variety of low to medium voltage electrical and electronic applications, the material is medium viscosity, flame retardant to UL94 V-0 at 6mm and has excellent adhesion to a wide range of substrates. IRS 3071 is resistant to UV, water based cleaning chemicals, motor oil, lubricants and most dilute acids and alkalis.
Features & Benefits
- Non-toxic
- Flame retardant to UL94 V-0 at 6mm
- Excellent adhesion
- Thermally conductive
- Economical
- RoHS & WEEE compliant
- Long pot life
- Cured at room temperature or with heat
Other Information
See how IRS 3071 works as part of a real applications in these potting compound case studies:
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Potting a pressure-resistant device for deep sea fishing
Utilising a combination of optically clear Opti-tec 4210 and opaque IRS 3071 into their product, SNTech was able to protect their innovative ‘Pieces Deep’ fishing lights from 100 bar pressures at depths of 1000m, without sacrificing light performance. |
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Potting compound protects trace heating system thermostats
The development process of STOPFREEZE’s COMBI and KIT products required a method of protecting the IP67 waterproof in-line thermostat with integral LED indicators from water ingress and physical damage in its outdoor situation. |
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Potting compound goes under the sledge hammer at Tough Tracker
A flame retardant polyurethane potting compound enabled the protection of electronics and a resistance to high impact shock and extreme conditions. |
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Application Insight – Potting Industrual LED Beacons
Encapsulating miniature PCB’s in various signalling devices for industries including logistics, oil and gas, rail, security, process control and public transport. |
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Application Insight – Bonding Lithium Battery Systems for Motorsport
Bonding lithium-ion cells into bespoke battery packs for motorsport. |
All Downloads
| Filename | Size | Download |
| IRS 3071 Product Data Sheet | 0.13MB |  |
| Case Study - Potting compound goes under the sledge hammer at Tough Tracker | 1.11MB | |
| Case Study - Potting compound protects trace heating system thermostats | 0.26MB | |
| Case Study - Potting a pressure-resistant device for deep sea fishing | 0.57MB | |
| Application Insight - Motorsport Battery Packs | 0.14MB | |
| Application Insight - Potting Industrial LED Beacons | 0.12MB | |
Ordering Information
IRS 3071 is available in twinpacks or in bulk.
The twinpack sachet is a clear film sachet, with the resin and hardener separated by a removable clip and rail divider. Click here for twinpack mixing instructions.
In kit form, resin and hardener are provided in separate containers to the correct ratio. In most cases pour the hardener into the larger resin container and use it as a mixing vessel. Stir well using appropriate mixer until homogeneous.
| Part number | Description |
|---|---|
IRS3071-1KG |
Polyurethane potting compound – 1000 gram twinpack |
| IRS3071-5KG | Bulk kit – 5kg |
| IRS3071-25KG | Bulk kit – 25kg |
For optimal results, store away from strong oxidising agents, strong acids, water, alcohols and amines. Store in a cool, well-ventilated area. Keep container tightly closed. Keep in original packaging.
Let’s start by talking about your application
 01865 842842 |
 orders@intertronics.co.uk |
