Asymmetric - An asymmetric membrane is one that is constructed of the same material (cellulose acetate or polyamide) which has an increase in porosity from surface to base. The surface has a dense thin barrier skin and a thick porous support layer.

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Reverse Osmosis Chemicals International work closely with a diverse range of global organisations, intelligently combining advanced treatment technologies with practical solutions to resolve complex issues. If you have a project you would like to discuss, or you require technical support and assistance; or if you simply have a question about our reverse osmosis technology solutions please contact one of our specialist advisors using our Technical Support page or call us on +44 (0) 330 223 31 31.