真空潤(rùn)滑脂,硅脂high vacuum grease, dow corning,high vacuum grease is ideal for sealing and lubricating vacuum and pressure systems. it can also be used to maintain laboratory equipment.
重復(fù)分配器,dispensers are recommended for多測(cè)試程序as well as配方強(qiáng)酸,alkalies和揮發(fā)性試劑。精確到±2 %。自動(dòng)填充和the calibrated管頭提供快樂by簡(jiǎn)單行動(dòng)快速重復(fù)transfers of鐵卷of固定的解決方案。裝滿,管頭是tilted backwards。過量的液體returns to the瓶自動(dòng)。