SEE Cartridge

High flow rate achieved by a polysulfone membrane, a high porosity rate, and an asymmetric membrane. Pre-washed with ultra-pure water for easy recovery of specific resistivity.

Overview

High flow rate achieved by a polysulfone membrane, a high porosity rate, and an asymmetric membrane. Pre-washed with ultra-pure water for easy recovery of specific resistivity.

The use of a polysulfone membrane, a high porosity rate of about 80% and a featured asymmetric membrane cause hydraulic resistance to decrease, thereby enabling a high flow rate to be obtained.
The cartridge is pre-washed with ultra-pure water, therefore specific resistivity can be recovered by washing the cartridge slightly at the time of use.
Alkali resistance has been improved by employing polypropylene as the non-woven fabric material.
The lineup includes 4 thicknesses (0.1 µm, 0.2 µm, 0.45 µm, and 0.8 µm), all of which offer high retention performance equivalent to that of the PSE cartridge, plus 4 types of seals (P, M, MP and G) that make it ready for use in a wide range of applications.

Applications

Acids & alkalis, plating fluids, photoresist developers, various types of corrosive chemicals, purified water, foods, etc.

Specifications

Table of Performance Characteristics

Item Unit Performance Remarks
Pore size µm 0.1 0.2 0.45 0.8  
Size Length mm - *
Outer diameter mm 70  
Inner diameter mm 26  
Maximum differential pressure 25℃ MPa 0.54 (Positive pressure)  
25℃ 0.34 (Negative pressure) **
Heat resistance MAX℃ 90 (70 for G type D & T products)  
PH area to be used   1 -14  

Note

  • * See the Size table below.
  • ** Do not apply Negative pressure except for instantaneous application.

Size table

Type Shape Overall length  
Without gasket With gasket (in the case of a 6 mm thick gasket)
Single
(10 inches)
G type 244 252
M type 257 -
P type 313 -
MP type 308 -
Double
(20 inches)
G type 496 504
M type 509 -
P type 565 -
MP type 559 -
Triple
(30 inches)
G type 748 756
M type 761 -
P type 817 -
MP type 811 -

Note

  • G type: Flat packing seal, M type: External O-ring (AS568-222) seal, P type: External O-ring (AS568-226) seal with twist lock, MP type:External O-ring (AS568-222) seal

Initial flow rate and initial pressure loss (by pore size)

[Image] Initial flow rate and initial pressure loss (by pore size)

Structure and materials

A polysulfone membrane and 2 layers of pre-filter supports are pleated together and integrally molded by thermal fusion bonding. (Example: G type)

[Image] Structure and materials

Abbreviated product name

[Image] Abbreviated product name

Chemical resistance

The following data have been obtained by checking the filtration performance after 24-hour immersion testing at normal temperature. Please check the chemical compatibility under your conditions before use.

Ο - Compatible, × - Incompatible
Classification Chemical name Compatibility
HydrocarbonBenzene×
Halogenated HydrocarbonTrichloroethylene×
EtherEthyl ether×
GlycolPropylene glycolΟ
AlcoholMethanolΟ
EthanolΟ
lsopropanolΟ
Benzyl alcohol×
KetoneAcetone×
EsterEthyl acetate×
OthersNitric acid
(6 mol/L)
Ο
Sulfuric acid
(3 mol/L)
Ο
Hydrochloric acid
(6 mol/L)
Ο
Sodium hydroxide
(6 mol/L)
Ο
Aqueous ammonia
(1 mol/L)
Ο

Sterilization treatment

The cartridge can be repeatedly sterilized. Sterilization should be carried out at regular intervals to ensure reliable removal of microorganisms and to maintain filtration performance.

Hot water sterilization

90℃

Chemical sterilization
  • Hydrogen peroxide solution: 5%
  • Formalin: 1%
  • Sodium hypochlorite: 10 ppm (chlorine water)