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Download this file (Graver ZTEC-E Membrane Cartridge.pdf)ZTEC™- E [MEMBRANFE FILTER CARTRIDGE][ ]144 kB

Pleated Polyethersulfone (PES) Membrane for Final Filtration of Ultrapure Water

 

ZTEC-E microelectronics grade cartridges represent Graver’s latest development in ultrapure water filtration technology. The filters are inherently hydrophilic and contain no added surfactants or wetting agents that could contaminate pure and ultrapure water streams. The PES membrane offers superior flow characteristics, high  contaminant capacity and consistent removal of sub-micron particles. The cartridges exhibit rapid rinse-up to 18 M W-cm resistivity and single digit ppb levels of TOC.

 

Filter Features– Benefits

  • Manufactured in an ISO Class 7 Cleanroom Environment
  • 100% flushed with 18MΩ water and integrity tested
  • Pore size, lot and serial number are stamped on each filter element for identification and traceability
    Resistivity rinse-up to 18 M W-cm and single digit ppb TOC levels with minimal throughput.

Typical Applications

Microelectronics Bulk Chemical Filtration | Piranha Baths | Recirculating Etch Baths | HF and BOE

 

Filter Specifications

 
Media:

Asymmetric Polyethersulfone membrane

Inner core, end caps, cage:

Polypropylene

Support layers:

Spunbonded Polypropylene

Gaskets/O-Rings options: Buna-N, EPDM, Silicone, Viton, Teflon Encapsulated Viton (O-Rings only)
Micron ratings:

0.2 μm, 0.45 μm, 0.65 μm

Dimensions and Operating Parameters

 

Nominal lengths:

9.76" 10" 20" 30" 40"
24.7, 25.4, 50.8, 76.2, 101.6 cm

Outside diameter:

2.7"
6.9 cm

Inside diameter:

2.54 cm

Surface Area

7.5 ft2. (0.7 m2) per 10 inch element

Maximum operating temperature:

80°C

Differential pressure:

80 psid @ 70°F (5.5 bar @ 21°C)

40 psid @ 176°F (2.8 bar @ 80°C)

 

 

Performance Specifications

Hot DI Water

Filter cartridge will withstand temperatures of 185°F (985°C) for up to 30 consecutive minutes.

Cleaning/Sanitization

Compatible with most common chemical cleaning, sanitizing and sterilizing agents and with pH range from 1–14. Consult factory for specific compatibility information.

Steam/Autoclave

Cartridges may be steamed or autoclaved for at least 50 thirty minute cycles @ 275°F (135°C).

Typical Bacterial Retention Performance

0.2μm: LRV for B diminuta 8  
0.45μm: LRV for S. marcescens11 LRV for L. brevis 10  
0.65μm: LRV for S. cerevisiae10 LRV for L. brevis 7  

Integrity Test Specifications

Minimum Bubble Point values and maximum Diffusive Air Flow (per 10-inch cartridge) values for ZTEC-B filters wet with water:

Pore Size Bubble Point Diffusive Air Flow
     
0.2 μm: 38psig (2.6 bar) 35cc/min @ 30psig (2.1 bar)
0.45 μm: 25psig (1.7 bar) 35cc/min @ 20psig (1.4 bar)
0.65 μm: 18psig (1.2 bar) 35cc/min @ 15psig (1.0 bar)

FDA Listed Materials

All materials comply with FDA title 21 of the Code ofFederal Regulations Sections 174.5, as applicable for foodand beverage contact.

AUTOMOTIVE

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