Polystyrene Microwave Absorber

DMC premium quality high performance Polystyrene RF Microwave Absorbers are made of molding process and the State-of-the-art carbon synthesis process ensures extremely high uniformity of carbon powder density throughout the absorber

Frequency range 80MHz to 100GHz
Typical reflectivity as high as -50dB
Plug and Pull install
Power handling capacity 1kW/m²
Fire retardant to UL94 HBF, DIN4102-B2, EN11925
Continuous working temperature up-to 70°C
Clean Room suitable per Class 10000/ ISO 14644-1 Class 4
RoHS and REACH Compliant
Zero Carbon dust

Part number reference:
DMC-PS-PY-MI-300, DMC-PS-PY-MI-500 , DMC-PS-PY-MI-700

Datasheet

Request Quote

TYPICAL REFLECTIVITY AT NORMAL INCIDENCE OVER FREQUENCY RANGE IN dB

Model Number	80 MHz	300 MHz	500 MHz	1 GHz	3 GHz	6 GHz	10 GHz	18 GHz	40 GHz	100 GHz
DMC-PS-PY-MI-300			25	35	40	50	50	50	50	47
DMC-PS-PY-MI-500	6	20	30	40	45	50	50	50	50	48
DMC-PS-PY-MI-700	8	25	35	40	45	50	50	50	50	48

DMC-PS-PY-MI-300

4.7

4.7 out of 5 stars (based on 9 reviews)

Excellent67%

Very good33%

Average0%

Poor0%

Terrible0%

RF Shielded Enclosure (Sub-6GHz)

March 16, 2026

The RF shielded enclosure we purchased for 5G device testing performs flawlessly. Shielding effectiveness is excellent, and external interference is completely eliminated. Delivery timelines were met, and the installation was smooth. A reliable partner for telecom R&D labs.

Ethan Alexander

Semi-Anechoic EMC Chamber

March 16, 2026

DMCRF delivered a semi-anechoic chamber customized to our MIL-STD requirements. The build quality is solid, and the chamber performance during emissions testing is extremely consistent. What impressed us most was their technical support team — very knowledgeable and responsive. We highly recommend DMCRF for serious EMC compliance labs.

Isabella Mia

Fully Anechoic Chamber System

March 16, 2026

We recently installed a fully anechoic chamber from DMCRF and the performance has exceeded our expectations. The RF absorption quality is outstanding, and the isolation levels are exactly as promised. The engineering team was highly professional during installation and calibration. Our antenna measurement accuracy has significantly improved after deployment. Truly a world-class solution for high-precision RF testing.

Olivia Michael

Reliable Solution for EMC and Antenna Testing

March 13, 2026

We needed a reliable chamber for EMC and antenna performance testing, and DMCRF provided exactly what we were looking for. The chamber’s RF shielding and absorber layout provide excellent isolation from external signals. Highly recommended for research labs and testing facilities.

Liam Thompson

High Quality Engineering and Design

March 13, 2026

DMCRF delivered a well-designed anechoic chamber tailored to our RF testing requirements. The absorber quality, shielding performance, and structural design are outstanding. Our team has noticed a significant improvement in measurement accuracy since the installation.

Benjamin Clark