[Szhhstech] PES Microporous filter membrane
Type: Flat, Roll.
Process: Hot press lamination, no glue.
Or cast film.
Grade: industrial, food, pharmaceutical grade.
Properties: Naturally hydrophilic, hydrophobic (modified).
Application: Liquid filtration.
Model and properties of membranes:
1. Deep retention type: Material: 100% PES.
Process: hot-pressed spunbonded lamination
Pore diameter: average ≥3.0um, MF grade,
Application: Retain SS or organic solute with larger particle size (or molecular weight) in the liquid.
Note: The retentate will be discarded with the replacement of the membrane. If it is used for routine solid-liquid separation, it may cause the loss of solute or useful SS. Structure: (Front and Back SEM)
2. Asymmetric retention type: Material: 100% PES.
Process: Cast film ，Unsupported type, clip skeleton type.
Aperture: Asymmetry.
The aperture on one side is large and the other side is small,
⚫ UF grade:0.02， 0.05，0.10（um）
⚫ MF grade: 0.22, 0.45, 1.0, 3.0,5.0,10.0 (um) Structure: Surface low magnification SEM One side (large aperture) SEM The other side (small aperture) SEM Different usage methods and features: 1. Liquid--macroporous
membrane surface--contamination-holding laye--small pore membrane surface--permeate.
⚫ Impurities are graded and intercepted, and the membrane is not easily blocked.
⚫ Low initial working pressure, high initial flow,
⚫ Impurities are removed along with the replacement of the membrane,
⚫ Applicable to: high accuracy rate impurity removal + filtering method. 2. Liqui--small pore membrane surfac--
macroporous membrane surface--permeate
⚫ Impurities are effectively intercepted on the surface of the membrane and remain in the liquid,
⚫ Impurities are concentrated on the surface of the membrane, and the inside is not easy to clog,
⚫ It can be restored by backwashing or aeration cleaning, and has a long service life.
⚫ Applicable to: suspension slurry, impurity removal + concentration.
Specific properties and test methods: Chemical compatibility: PH2－12, (Not suitable for polar solutions such as
ketones, esters, oils, halogenated, hydrocarbons, high-concentration acids.)
Biocompatibility: USP. Low protein adsorption.
Toxicity: ISO 10993-5, FDA, Ministry of Health and Welfare (No.178 & 434) Extractables: HPLC, Blank.
Sterilizable: wet & dry steam, gamma rays.
General data： Roll size:
⚫ Film thickness: 100-160um.
⚫ Width: 254-400mm, can be cut.
⚫ Length: min 100m. Can be longer.
⚫ Core: 3” (D763mm) paper/plastic tube
⚫ Packing: PE bag + carton
