PTFE hydrophobic and oleophobic film
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Product Introduction
The hydrophobic and oleophobic membrane provided by BlueTech Filtration boasts strong water- and oil-repellent properties. This membrane effectively prevents the penetration of low-surface-tension contaminants, including detergents, cleaning agents, oils, and chemicals.
The oil-repellency test is conducted according to AATCC Standard 118-1989, established by the American Association of Textile Chemists and Colorists. The test procedure involves dropping a liquid with a known surface tension onto the surface of the membrane material and observing the wetting behavior. This process represents the liquid's penetration into the membrane structure. The oil-repellency rating is defined as the minimum surface tension of a liquid that fails to wet the membrane material.
Product Advantages
- Oil-release rating: Level 8 (AATCC118)
- High flow rate & non-volatile
- High chemical resistance and high-temperature resistance.
- Strong mechanical performance
Oil-Repellent Rating Chart
Oil-repellent rating Test liquid Surface tension* (dyn/cm) 3 Hexadecane 29 4 N-tetradecane 27 5 Dodecane 24.5 6 Decane 24 7 Octane 21 8 Heptane 19.5 9 Hexane 18 Product Use
- Filtration of organic gases
- Recovery of Organic Liquid Droplets from Industrial Exhaust Gases
- Removal of Gases from Biomass Liquids
- Removal of volatile components from the solution
- Liquid storage container breathing
- Sensor
- Electronic attachment
- Control unit
- Any component exposed to chemical reagents
Liquid Surface tension* (dyn/cm) Water 73 10% methanol 59 Castor oil 36 Benzene 29 Ethanol 24 Acetone 24 Methanol 24 IPA 22 Product Specifications
Specifications Aperture (um) Membrane material Support material Thickness (um) Air permeability (@1 psi) Oil-repellent LCPTFE010BOX 0.1 PTFE pp 140-190 ≥0.1 slmp oleophobic LCPTFE022BOX 0.22 PTFE pp 140-190 ≥0.2 slmp oleophobic LCPTFE045BOX 0.45 PTFE pp 140-190 ≥0.4 slmp oleophobic LCPTFE100BOX 1.0 PTFE pp 140-190 ≥0.7 slmp oleophobic LCPTFE300BOX 3.0 PTFE pp 140-190 ≥1.5 slmp oleophobic LCPTFE500BOX 5.0 PTFE pp 140-190 ≥2.5 slmp oleophobic LCPTFE010ETBOX 0.1 PTFE PET 200 ± 10 ≥0.08 slmp oleophobic LCPTFE022ETBOX 0.22 PTFE PET 200 ± 10 ≥0.16 slmp oleophobic LCPTFE045ETBOX 0.45 PTFE PET 200 ± 10 ≥0.32 slmp oleophobic LCPTFE100ETBOX 1.0 PTFE PET 200 ± 10 ≥0.56 slmp oleophobic LCPTFE300ETBOX 3.0 PTFE PET 200 ± 10 ≥1.2 slmp oleophobic LCPTFE500ETBOX 5.0 PTFE PET 200 ± 10 ≥2.0 slmp oleophobic Ordering Information
Membrane material Aperture Supporting material + wettability PTFE 010 = 0.1 μm BOX=PP oil-repellent
ETBOX = PET oil-repellent022 = 0.22 μm 045 = 0.45 μm 100 = 1.0 μm 300 = 3.0 μm 500 = 5.0 μm
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