what are pcbs used for?
- 该话题包含 1个回复，2 人参与，最后由 更新于 9月、 2周前 。
Answers
-
三月 7, 2025 8:51 上午 by Daniel Brown
PCBs (polychlorinated biphenyls) were historically used in electrical equipment as coolants and insulators due to their chemical stability and high dielectric strength; however, they are now banned in many countries because of their toxicity and environmental persistence.
