ما هو طلاء القطران النفطي القِطْي؟ الاستخدامات والقيود والبدائل الحديثة
Coal tar epoxy is a two-component coating combining coal tar pitch with epoxy resin — historically the standard for buried pipeline, marine immersion, and water intake structures, now largely replaced by FBE and glass flake epoxy due to environmental restrictions on PAH compounds in certain jurisdictions. This guide covers what coal tar epoxy is made […]