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Eccosorb™ RF-RET (RFRET) is a lightweight open celled broadband reticulated foam absorber. The reticulated urethane backbone allows for a defined cell structure. When treated with a lossy coating, the material is extremely lightweight and provides broadband reflectivity reduction. It is used for antenna reflection reduction where broadband reduction coupled with lightweight is required. RFRET also is useful for testing chamber applications and fabricating broadband barriers. Laird can customize the material for outdoor use as well. RFRET can be produced in a variety of sizes and can be bonded or mechanically attached into place.
– Extremely lightweight and flexible
– Broadband –20 dB performance
– Excellent for radome applications and antenna enclosures
– Can be enclosed into textile covers for environmental protection and outdoor use
– Can be filled with closed cell foams to make radar absorbing structural foam
– A variety of thicknesses are available from .375 to 2 inches
– Useful in anechoic chambers to cover pedestals and equipment
| Colour | Black |
| Function | Free Space Reflectivity |
| Resin | Polyurethane |
| Shelf Life | 730 days from date of shipment |
| Type | Free Space Broadband Foam Absorber |
| Thickness Max | 50.80 mm |
| Thickness Min | 6.35 mm |
| Density | 0.05 g/cc |
| Reflectivity | 20 db at a given frequency and above |
| Maximum Operating Temperature | 121°C |
| Minimum Operating Temperature | -40°C |
| Frequency Range | 2-18 GHz |
| ROHS Compliant | Yes |
| Lead Free | Yes |
| REACH | Yes |
| Option Availability – Fabric wrapping | Yes |
| Option Availability – PSA | Yes |
| Option Availability – on drawing | Yes |
The Eccosorb™ RF-RET are available in a range of variants designed to meet specific application needs. These versions differ in format, construction, or additional features, providing flexibility in design and optimal compatibility with various systems and assembly processes.
| Image | Code | Detail |
|---|---|---|
 | 4000 | H278240-5, G - RFRET-0, .375x24x24 |
| 4000-S | RFRET,0,15,DC - 0.375in,4in X 6in SAMPLE |
| 4001 | RFRET, 0.500x24x24in |
| 4001-S | RFRET,0,15,DC - 0.500in,4in X 6in SAMPLE |
| 4002 | RFRET,0,PSA,10 - 0.750IN,24.0x24.0in |
| 4002-S | RFRET,0,10,DC - 0.75in,4in X 6in SAMPLE |
| 4003 | RFRET, 1.125x24x24in |
| 4004 | RFRET,0,0.500,PSA(15) - 24x24x0.500in |
| 4004-S | RFRET,0,PSA,15,DC - 0.500in,4inX6in SAMPLE |
| 4009 | RFRET, 0.750x24x24in |
| 4009-S | 4in x 6in SAMPLE (RFRET .75in thick) |
| 4010 | RFRET-0-1.500 (10) - 24x24x1.500in |
| 4020 | RFRET, 2.000x24x24in |
| 4029 | RFRET, 1.250x24x24in |
| 4060 | H278240-5, G - RFRET-0, .375x24x24. psa |
| 4060-S | RFRET,0,PSA,15,DC - 0.375in,4in X 6in SAMPLE |
| 4062 | RFRET, 1.000x24x24in |
| 4076 | RFRET,0,1.250,PSA(6) - 1.25x24x24in |
| 4079 | RFRET,0,1.000,PSA(6) - 24x24x1.000in |
| 4084 | RFRET,0,1.125(8),PSA - 24x24x1.125in |
| 4088 | RF Foam 4000,A0,BB,RFRET - 0.250in,24.0x24.0in |
| 4088-S | RF Foam 4000,A0,BB,RFRET - 0.250in,4.0x6.0in |
| 4089 | RF Foam 4000,A1,BB,RFRET - 0.250in,24.0x24.0in,psa |
| 4089-S | RF Foam 4000,A1,BB,RFRET - 0.250in,4.0x6.0in,psa |
| 4092 | RFRET, 0.625x24x24in |
Interested in learning more about how the Eccosorb™ RF-RET can support your project or application? Whether you need technical details, pricing information, or would like to request a sample, our team is here to help. Fill out the form below and we’ll get back to you with the support and solutions you need. Discover how the Eccosorb™ RF-RET can bring added value to your design and performance requirements.
The information and technical data provided on this website are for general informational purposes only. While we strive to ensure that all content is accurate, complete, and up to date, we make no representations or warranties of any kind, express or implied, regarding the reliability, suitability, or availability of the information contained herein.
Any reliance you place on such information is strictly at your own risk. We disclaim any liability for errors, inaccuracies, or omissions and for any loss, injury, or damages resulting from the use of the information provided.
Technical specifications, data, or figures may be subject to change without notice. For official, detailed, or binding information, please contact us directly.
