Sietronics - Model XRF -Microporous Films

Microporous films are gas permeable polypropylene membranes that enables the analysis of non-volatile liquid and powdered sample substances in helium flushes or vacuum. This film is used in conjunction with the series 1500 XRF sample cups to equalise pressure differentials within the sample cup and sample chamber. It is available as continous rolls or easy-to-use precut circles.