| PBDEPBDE or polybrominated diphenyl ether is a flame retardant used mostly in North America and has been banned in Europe. Studies have linked them to reproductive and neurological risks. External links . | PbSSeveral lead salts are used as detection element materials in various infra-red (IR) sensors. PbS (lead sulphide) is one of the oldest and most commonly used ones. PbS and other lead salts are semi-conductors. When used as IR detection element materials t | PBM (disambiguation)The acronym PBM can refer to The Martin PBM Mariner flying boat A monochrome variant of the Portable Pixmap graphic file format Play by Mail games. |