dibutyltin mono(2-ethylhexyl) maleate: a comprehensive review of its role in long-term pvc stability abstract: dibutyltin mono(2-ethylhexyl) maleate (dbm-ehm) is a widely used organotin stabilizer in the processing and application of polyvinyl chloride (pvc) materials. this article presents a comprehensive overview of dbm-ehm, detailing its chemical and physical properties, mechanism of action in stabilizing pvc, its...