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FLAT SHEET MEMBRANES

Are you looking for flatsheet membranes for microfiltration, ultrafiltration, nanofiltration or reverse osmosis? UNISOL offers a comprehensive range of membranes that have been specially developed for a wide variety of filtration requirements. They are manufactured from various polymeric materials including polyethersulfone (PES), polyvinylidene fluoride (PVDF), polysulfone (PS) and polyacrylonitrile (PAN), piperazinamide and polyamide to cover the entire range of molecular weight cut-offs (MWCOs). We also offer membranes that are stable against solvents, acids and alkalis.

UNISOL Flat Sheet membranes brochure

Product introduction

We supply high performance flatsheet membranes suitable for a wide range of applications. Our flatsheet membranes are available in a range of material options, making them the ideal choice for industries requiring precision filtration .

Our flatsheet membranes, from which we manufacture various module types, are also available in rolls and sample sizes so that you can test their effectiveness for your specific requirements.

Structure and Mode of Operation

Microfiltration membranes	Membranes Materials	Pore size [μm]
MPS010	Polyethersulfone (PES)	0.1
MPV020	Polyvinylidene fluoride (PVDF)	0.2

Ultrafiltration membranes	Membrane materials	Nom. MWCO [kDa]
UPS005	Polyethersulfone (PES)	5
UPS010	Polyethersulfone (PES)	10
UPS020	Polyethersulfone (PES)	20
UPS150	Polyethersulfone (PES)	150
USP100	Polysulfones (PS)	100
UPV080	Polyvinylidene fluoride (PVDF)	80
UPV200	Polyvinylidene fluoride (PVDF)	200
UPV1000	Polyvinylidene fluoride (PVDF)	1000

Nanofiltration membranes	Membranes Materials	Rejection [%]
UNF90	Polyamide (PA)	≥ 98.5%
NFDK	Piperazine amide	≥ 98%
NFDL	Piperazine amide	≥ 97%
UNF454	Piperazine amide	≥ 92%
UNF604	Piperazine amide	≥ 70%

Test conditions: 2000ppm MgSO4, 110psi (7.6bar), 25°C (77 °F)

Reverse osmosis	Membrane materials	Stabilized rejection [%]	Minimum rejection [%]
BWFR	Polyamide (PA)	99.6%⁽¹⁾	99.4%⁽¹⁾
SWHR	Polyamide (PA)	99.8%⁽²⁾	99.6%⁽²⁾

(1) Test conditions: 2000ppm NaCl, 7.6bar (110psi), 25°C (77 °F)

(2) Test conditions: 32000ppm NaCl, 55bar (800psi), 25°C (77 °F)

What are the reasons for Flatsheet Membranes?

The use of UNISOL flatsheet membranes in your filtration processes offers several significant advantages:

Adaptability and versatility
The wide range of membrane types enables highly customized solutions that cover a variety of filtration requirements. This versatility makes it easy to adapt the membranes to specific processes such as microfiltration, ultrafiltration, nanofiltration or reverse osmosis.

Increased operational reliability
The robust design of specific membranes ensures that they function reliably even under extreme conditions, reducing the risk of downtime and maintenance and improving overall operational efficiency.

Regulatory compliance and safety
The compliance of our membranes with various international standards ensures safety and quality and makes them suitable for sensitive applications, especially in the food and beverage industry.

In summary, UNISOL flatsheet membranes offer a versatile, customizable and reliable solution for a wide range of filtration requirements. Contact us today to find out how UNISOL can optimize and improve your filtration processes.

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