General description
Thin silicone or polydimethylsiloxane (PDMS) membrane products are available which can be used as a barrier to liquid and permeable path for various gaseous elements and compounds.
We supply these silicone membranes in sheets or rolls from as thin as 0.075mm (0.003") to 1mm (0.040") thick. Sheets are 300mm (12") square.
This material can be modified to produce thin film parts, or combines with many other materials to produce composite materials specific to your requirements.
Technical Information
|
Property |
Typical Value |
|
Hardness |
50 Shore A |
|
Tensile Elongation |
8.9 MPa |
|
Elongation |
570% (400 min) |
|
Density |
1.12-1.16 |
|
Tear Die B |
35 kNm-1 |
|
Colour |
Translucent |
|
Gas Permeability Rates* |
Applications |
Membrane Thickness |
|
Oxygen |
50 |
Gas Analysis |
0.125mm(0.005") |
0.15mm(0.006") |
|
Carbon Dioxide |
270 |
Gas Detection |
0.15mm(0.006") |
0.2mm(0.008") |
|
Nitrogen |
25 |
Gas Enrichment |
0.25mm(0.010") |
0.3mm(0.012") |
|
Hydrogen |
55 |
Gas Separation |
0.35mm(0.014") |
0.43mm(0.017") |
|
|
|
Cell Growth support |
0.6mm(0.024") |
1.0mm(0.040") |
|
*In barrers 10-9 (cc gas(RTP)cm)/(sec cm2 cmHg ΔP) |
|