Royal Adhesives and Sealants LLC Announces the Qualification of Hardman WS 8032 to Aerospace SAE Industry Specification AMS 3281D SOUTH BEND, IN--(Marketwire - May 27, 2009) - Royal Adhesives and Sealants LLC announced today that its Hardman® WS 8032 Light Weight Rapid Curing manganese dioxide cured polysulfide aircraft...