Adhesive Sheet Absorbing Material for Targeted EMI Reduction and Microwave Energy Absorption

Adhesive Sheet Absorbing Material is a compact and highly effective RF absorption solution developed to address electromagnetic interference challenges in today’s densely integrated electronic systems. Featuring a multilayer absorbing structure combined with a high-strength pressure-sensitive adhesive, this material enables direct application onto device housings, shielding covers, and internal cavities, allowing engineers to implement EMI control without altering mechanical designs.

The absorbing sheet functions by attenuating microwave and RF energy through controlled magnetic and dielectric loss mechanisms. This process reduces signal reflection, suppresses cavity resonance, and limits electromagnetic coupling between adjacent components. Compared with traditional metallic shielding, adhesive absorbing materials provide localized absorption rather than reflection, making them especially suitable for high-speed digital circuits and wireless modules where reflected noise can degrade performance.

Size of product

Standard size: 140mm*180mm; tolerance ±3mm

Can be customized and die-cut according to customer requirements; can be back-glued according to customer requirements

Application fields

Communication System

Microwave Devices And High Frequency Equipment

Notebook PC

Consumer Electronics

Some product models and parameters

Note: ① The parameters shown are for reference only, and the actual test and technical agreement shall prevail; ② The metal back is best for absorbing waves.