Products > Pearlcomb PEARLCOMB is the registered trademark of the hard synthetic resin cellular material (foam) manufactured and distributed by Daicen Membrane Systems. The PEARLCOMB Series includes various synthetic resins, such as ABS, polymethyl methacrylate, polyethylene and polypropylene, molded by our special sintering technology. The series includes many combinations of particle size, shape and resin material and is widely used in water treatment and other industrial fields. PEARLCOMB Series products are classified based on the fineness of their cells or foams. Ultrafine foam types are especially recommended for energy saving. Ultrafine foam Panel membrane type Ultrafine foam Disk membrane type Ultrafine foam Tubular membrane type Ultrafine foam Porous disk (Full aeration type) Fine foam Porous panel diffuser Fine foam Porous cylindrical diffuser Coarse foam Diffuser types