Microporous Polypropylene Film

Microporous Film is a gas permeable thin membrane used in conjunction with Series 1500 XRF Sample Cups to establish pressure equalization in inert gas and vacuum environmental analytical conditions.

When Microporous Film is attached to the flanged open end of a Series 1500 XRF Sample Cup, the tortuous pore channels permit gaseous elements to penetrate. The pore size prohibits crystalline particles to pass. Any entrapped gas or air within the sealed sample cup is evacuated leaving the thin-film sample support substance on the opposite end flat and free of convolutions or distension attributed to pressure differentials.


Fast · Easy-To-Use · No Waste

  • Microporous Film In Pre-cut Circles
  • 100 Circles/Package Corresponds to 100 Sample Cups/Package
 

Microporous film maintains pressure equalization in inert gas and vacuum environments

Typical Properties

Properties Typical Values
Porosity, % 55
Pore Size, mµ xmµ 0.21 x 0.05
Thickness, mµ (inches; mm) 25 (0.001"; 0.0254mm)
Softening Temperature, oC Approx. 155
Melting Temperature, oC 165

Specifications And Ordering Information

Microporous Film in Continuous Rolls and Pre-Cut Circles

CATALOG NUMBER DESCRIPTION Packaging
325 Microporous Film, Continuous Roll 2.5" wide x 200" long (6.4cm x 5.1m)
325C Microporous Film, Pre-Cut Circles 2.5" (76mm) diameter; 100 circles/Pkg
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Supplied in unserrated edge boxes.

Reminder to Order Thin-Film Sample Supports

Reminder to Order XRF Sample Cups