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https://www.azom.com/news.aspx?newsID=50296 Polyplastics Launches Alkali Stress Crack Resistant PBT Resin for Automotive Applications Jan 24, 2019 - The Polyplastics Group has introduced a new polybutylene terephthalate (PBT) resin which delivers excellent alkali stress crack resistance for a range of... stress crackpbt resinfor automotivelaunchesalkali