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Technology

PEK technology

Compared with PVDF membrane, PLUM Co pioneered the development of tubular membrane made of PEK.PEK tubular membranes combine alkali resistance and high suspension resistance.

What ‘s PEK? 

Polyetherketone (PEK) is a ketone-based semi-crystalline high-performance engineering thermoplastic. PEK's high thermal dimensional stability, low flammability, excellent chemical resistance, and excellent mechanical properties over a wide temperature range make it commonly used in high-standard applications in a variety of markets.

1

Hydrophilic comparison of PEK and PVDF

Performance parameter comparison

Membrane material PVDF PEK
Nominal pore size Unit 0.2nm 30nm 50nm
Pure Water Flux LMH，100kPa 1500 900 1200
Operating Pressure kPa -50~800 -100~1000
Max. Operation T ℃ 65 65
pH-range

 

 2~10 1~14
Chlorine Exposure ppm·h 250000 300000
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Recommended product

PEK Tubular Membrane

PEK Tubular Membrane

1.High-quality non-woven fabric and double-sided welding technology 2. Exclusive PEK material 2.Chemical resistance 2.Superior hydrophilicity 3.Strong anti-pollution ability. 4.As a pretreatment process, the effluent quality is stable with turbidity less than 0.5 NTU and SDI less than 4.
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