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MEMBRANE DISC FILTERS

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• Flow Rate Chart

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Silver Metal Membrane Retention and Flow Rates

Particle Retention a (µm) Water Flow b
(mL/min/cm^2)
Air Flow b
(mL/min/cm^2)
Typical Bubble Point c psi

Maximum Operating Temp d
°C (°F)
0.2 17 350 13 204 (400)
0.45 40 670 9 204 (400)
0.8 340 1400 7 204 (400)
1.2 460 2000 5 204 (400)
3.0 690 2900 3 427 (800)
5.0 870 5200 2 427 (800)

a. Particle retention verified by bubble point pressure
b. Using pre-filtered water at a pressure differential of 10 psid (0.7 bar) with methanol pre-wetting.
c. Bubble point values are for methanol
d. Silver membranes provide excellent filtration performance at temperatures up to 427°C (800°F)

Coefficient of Thermal Expansion: 18.8x10-6 per °C

Nominal Thickness: approximately 50 µm (0.002 inch)

Resistivity: 1.59 µS at 20°C (68°F)

Specific Heat: 0.448 calories/gram at 20°C (68°F)


Sterlitech™ Silver Membrane pricing chart.

Silver membrane application examples.

Frequently asked questions
about silver membranes.


silver membranes for oceanography
Sterlitech™ Stirred Cell and Silver Membranes

Sterlitech Corporation



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