Plates and FramesĀ are made of light, hygienic, chemical resistance polypropylene. They are easy to handle a practically maintenance free. Plates and frames are uniquely suited for basic filtration processes. They have been proven reliable and efficient in chemical processes, the beverage industries, biochemical, and pharmaceutical, industries. The sizes are from 470 mm to 1500 mm. Special design for Viscose, Acrylic fiber Staple fiber of size 500 x 500 mm, 800 x 800 mm 920 x 980 mm.