Pada ruang operasi yang terdapat sumber radiasi dan menggunakan passbox, biasanya di bagian dalam passbox nya juga dilapisi Timah Hitam / Timbal / Pb ini.In addition to currently being very high-priced, spray foam insulation will not avoid radiant heat transfer (the main source of warmth-move in and out of one's metal creating). With no radiant bar… Read More