Care for Blow Molded Resin Folding Tables Metal is painted with durable powder coating. If the paint chips, the area should be sanded lightly and painted over with a rustproof primer and enamel spray paint. Regular cleaning should be done with soap and water; stubborn stains can be removed with a non-abrasive cleaner and a soft bristle brush. Care for Plastic Folding Chairs Regular cleaning for plastic folding chairs can be done with mild soap and water. Avoid the use of abrasive cleaners. Care for Vinyl, Fabric, and Metal Folding Chairs Chairs can be cleaned with a damp cloth; abrasive cleaners should not be used on chair materials. Care for Acrylic Lecterns Lecterns should not be cleaned with Windex or ammonia; cleaning is recommended with mild soap and a soft sponge. To protect the lectern materials, screws should not be over-tightened, and speakers should not lean heavily on the reading surface during use.