Radar Absorbent Material-Ram

Product Details:

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

** The price is not final; please consult with the SLTL team for the final price.

REFLECTIVITY PERFORMANCE:

• At Normal Incidence & Upto 45 ??? from Normal: Min. reflection loss (angle of incidence equals angle of reflection) w.r.t metal plate of same size shall be -15dB at 5.0 GHz, rising to min. -17 dB at 8.0 GHz and min. -20 dB at 10.0 GHz and higher frequencies in both polarizations.
• At 60 ??? From Normal: The reflection loss is down by less than 5 dB w.r.t normal and upto 45 ??? performance at all frequencies and in both polarizations.
• Under Wet Condition: Performance under wet condition remains practically unchanged w.r.t dry condition performance at all angles /polarizations /frequencies.

CHARACTERISTICS FEATURES:

• Basic Composition: Loaded Rubber
• Working Temperature: -50 ??? to + 80 ??? .
• Thickness: 18 to 20mm.
• Base Size: 300mm X 300mm.
• Weight: Approx.1.3 kg of 300mm X 300mm size sheet.
• Conical front side to face radiation to be absorbed.
• Color: Black for CRA-18, CRA-18-P is painted (as desired) version of CRA-18.
• Type of Paint: Polyurethane type suitable for outdoor (ship born) applications.
• Feature: Broadband, Conical, Weather proof, suitable for sea applications.
• Application: On ship borne mast and other out door applications, etc.
• Walk-able: CRA-18, CRA-18-P & CRA-18-P-M is rigid enough to be used on walk on areas.
• Frequency region: 5.0 GHz to 18.0 GHz and beyond.

AREA OF APPLICATION:

• CRA-18-P is mainly used around RADAR and antenna.
• For radar signature management by covering the ship mast.
• To avoid the ground reflections at open area test sits (OATS).
• To eliminate interferences and unnecessary reflection.
• To avoid the cross talk between transmitter and receiver antenna.

Product Details:

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

** The price is not final; please consult with the SLTL team for the final price.

Minimum reflection loss with respect to metal plate at near normal incidence shall be -10dB at 0.8 GHz, rising to min. -15 dB at 2.0 GHz, further rising to -20 dB at 5.0 GHz to 18.0 GHz and higher frequencies.

 

• Basic Composition: Loaded Rubber
• Working Temperature: -50  to + 80  .
• Thickness: 100 mm.
• Base Size: 300mm X 300mm.
• Weight: Approx.3.5 kg of 300mm X 300mm size sheet.
• Conical front side to face radiation to be absorbed.
• Color: Black
• Feature: Broadband, Conical, Weather proof, suitable for sea applications.
• Application: On ship borne mast and other out door applications, etc.
• Frequency region: 800 MHz to 12.0 GHz and beyond.

Product Details:

The Thin Resonating RAM KV-RA - RF and Microwave is a cutting-edge absorber sheet designed for precision performance in applications requiring reduced electromagnetic interference and enhanced signal clarity. Crafted from magnetically loaded silicone rubber, this thin and flexible sheet operates effectively within a narrow band of frequencies ranging from 1 to 35 GHz. Its weatherproof design ensures reliable outdoor performance in temperatures spanning -40°C to +200°C, making it ideal for various challenging environments. The KV-RA sheet’s adaptability to flat or curved metallic surfaces allows seamless integration, making it a versatile solution for minimizing unwanted reflections and echoes in critical installations.

This advanced resonating absorber excels in diverse applications, such as adhering to ship masts, walls, and bridges to eliminate false antenna reflections, and suppressing parabolic antenna side lobes for optimal signal focus. Additionally, it can be attached to vehicles to significantly reduce radar signatures or incorporated into microwave units, such as power amplifiers and low-noise blocks, to suppress specular reflections. With its robust and innovative design, SLTL's KV-RA absorber sheet offers unmatched performance in managing RF and microwave interferences for both indoor and outdoor setups.

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

** The price is not final; please consult with the SLTL team for the final price.

15 dB at ± 5% band with around the center frequency (as compared to the flat metal plate of the same size) Tested as Per IEEE Std.1128/1998: IEEE Recommended practice for RF Absorber Evaluation using NRL Arch Method.

RA is a Thin, Flexible, Weatherproof, Resonating Rubber based Microwave Absorbers. Design frequency range is of 1 GHz to 18 GHz. Highly reliable and stable as an outdoor RADAR Absorbent Material. Suitable for Narrow Frequency Band Operations. Available with a metal backing in 300 mm x 300mm size.

Unlike typical iron-filled rubber absorbers, no oxidation is possible due to the chemical nature of the filler component. Can be readily cut with a sharp knife and template and conforms to mild curvatures. Highly flexible for easy processing and installation.

Consists of Magnetically/Electrically loaded Neoprene (RA-N) and Nitrile rubbers (RA-NL).

 

• Adhered to masts of Ships, walls, bridges etc to reduce false images, reflections and echoes to nearby antennas.
• Suppressing parabolic antenna side lobes.
• Suitable for Out-Door Applications.
• Attaching to vehicles to reduce overall Radar Signature.
• Suppressing specular reflections inside microwave units e.g. power amplifiers of mobile telephones, low noise blocks of satellite receivers etc.

Product Details:

SLTL Group's Walk On Microwave Absorber is an innovative solution designed to meet the dual needs of personnel access and anechoic chamber performance. This specialized absorber is crafted from high-quality PU foam-based pyramidal or wedge absorbers, reinforced with a profiled low-loss polystyrene foam section, resulting in a durable, flat-faced walking surface.

The Walk On Microwave Absorber is ideal for areas on the floor where personnel access is necessary without compromising reflection requirements. It is engineered to support the weight of a person, ensuring safety and stability while maintaining the chamber's electromagnetic performance.

Areas of Application:

• Enables access to test areas without disrupting functionality.
• Perfect for floor sections requiring a walkable absorber structure.

Designed and manufactured by SLTL Group, the Walk On Microwave Absorber guarantees unmatched performance, durability, and compliance with advanced testing standards.

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

** The price is not final; please consult with the SLTL team for the final price.

• Our foam absorbers are fire retardant with zero halogen means thereby avoid formation of toxic gases like HCl / HBr and poisonous gases like phosgene
• Ro HS Compliant

• These absorbers are flat faced absorbers
• It is used in the areas on floor

• Defense Research & Development Organization
• Educational Institutes

Additional Information:

• Item Code: FU-FL