PPG Industries Inc. has expanded its line of SEMCO sealant removal tools with ergonomically-designed scrapers to enhance efficiency of aerospace sealant removal and reduce operator fatigue. PPG global market development manager for packaging, 10 scrapers have been designed for use by hand for standard sealant removal as well as more difficult and specialty applications such as removal of sealant around fasteners, fillet seals and other hard-to-reach areas.