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Encapsulation Resins

Meeting the challenge of challenging environments

Electrolube resins in use.
  • UL approved
  • Potting / encapsulating
  • Sealing and protection
  • Cable jointing
  • Coloured and optically clear
  • Bespoke and ex-stock

Resin systems are designed to protect and insulate printed circuit boards (PCBs) and electronic components from the threats of harsh and challenging environments, including; moisture, vibration, thermal or physical shock and general contamination. By encapsulating the entire device, resins can form a complete barrier against such environments offering superior performance under extreme conditions.

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Potting and encapsulation resins also offer excellent mechanical protection. Mechanical protection can be identified in a number of ways; superior performance is evident in applications involving prolonged exposure or immersion in harsh chemicals, or those exposed to vibrational, thermal or physical shock, for example. The higher level of protection is achieved through the mass of the resin surrounding the unit. This is different for every application however potting and encapsulating resins always provide a far more substantial covering than thatoffered by conformal coatings.

Due to the bulk of material surrounding the PCB, potting and encapsulation resins are commonly two-part systems which when mixed together form a solid, fully cured material, with no by-products. In cases where the conditions are not considered extreme, Electrolube offer a range of conformal coatings which provide a combination of protection in humid and corrosive environments with ease of application. They can be used for complete coverage or selective application onto the PCB, thus minimising the weight added as a result of applying a protective material.


Example of Mixing instructions for Encapsulation Resins


More Information

Encapsulation Resins

Polyurethane

UR5044 - Dark Blue Polyurethane Resin

UR5044
Dark Blue Polyurethane Resin

250g - 1KG - 5KG - 10KG - 25KG

Product code: UR5044RP250G - UR5044K1K - UR5044K5K - UR5044K10K - UR5044K25K

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UR5044 is a UL94 approved two part Polyurethane resin system, which when cured has a dark blue finish. It is a high performance resin system for use in a range of potting and encapsulation applications.

Its flexibility and its digoutable characteristics make it an ideal compound for use in prototype electronics, or potted units which may require rework or repair within their life cycle. Its excellent flexibility is maintained even at temperature extremes, and this combined with its other attributes makes it a good alternative to silicone resin systems.

For Full product data, please see the TDS link below.

Key Properties:
  • Flame retardant, certified to UL94 V-0
  • Soft, re-workable resin
  • Flexible even at temperature extremes
  • Excellent low temperature performance to -70 °C
  • Ideal for prototype circuitry, silicone replacement, and control units
  • RoHS Compliant
Product data sheets
UR5044 (tds) Download

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