17 Multimaterial plastic flexible composites, in the form of rolls and converted pieces; non-metal flexible reinforcement materials, unsupported plastic films having thermal chemical and weathering resistance and having release, friction, protection and dielectric insulation properties and multilayer composite products, composed of polymer-based plastics, flexible plastic reinforcement materials, unsupported plastic films for use in manufacturing in the mobility, industrial, communications, electronics, renewable energy, medical, safety and defense and architectural industries; mobility, industrial, communications, electronics, renewable energy, medical, safety and defense and architectural industries; mobility, industrial, communications, electronics, renewable energy, medical, safety and defense and architectural industries; Radio frequency and microwave transmissive non-metal composite building materials in the form of films, sheets, laminates, and layups composed primarily of polytetrafluoroethylene (ptfe) combined with fiberglass, aramid, quartz fabrics and yarns for use in the manufacturing of radomes; Interior linings being protective and radio transmissive composites, namely, radio frequency and microwave transmissive fabrics made primarily of fiberglass and also including aramid and quartz for protection of radar systems and satellite communications system integrators; transmissive fabrics made primarily of fiberglass and also including aramid and quartz for transmitting radar and satellite communications for use as a protective and radio transmissive interior lining for radomes and electromagnetic windows