Insulating materials; insulation materials of foam; insulation materials for construction; filtering materials, namely, semi-processed foams or films in the nature of filtering materials for use in aircraft, ships, land vehicles, trains, building construction, and wind turbines; PVC (polyvinyl chloride) foam for use in aircraft, ships, land vehicles, trains, building construction, and wind turbines; polyurethane foam for use in aircraft, ships, land vehicles, trains, building construction, an...