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Optimizer® AT Photochemical Filter

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Advanced, point-of-dispense and point-of-tool filtration specially designed for organic solvent and aggressive solvent applications.

Highly retentive PTFE membrane enables reduced particle shedding, low metal and organic extractables
Long capsule format enhances flow rate performance for increased process yields and shorter filter startup intervals
High-purity fluoropolymer construction provides broad solvent compatibility including aggressive solvents such as nBA, cyclohexane, etc.

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CAD drawings may be available for this product. Please use the Part Selector to select a part number to see if they are available.

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Applications Optimizer® AT Photochemical Filter Applications

Organic solvents - including negative tone developer (NTD)
Aggressive solvents such as n-Butyl Acetate (nBA) or nBA base formulations

Specifications

Drawings

Performance Data

Product Specifications

Materials	Membrane	PTFE
	Supports, core, sleeve, housing	PFA
	O-ring	Kalrez^®
Retention rating	2 nm, 7 nm, 10 nm
Membrane area	4,800 cm² (5.2 ft²)
Maximum operating conditions	Maximum inlet pressure: 0.39 MPa (3.9 bar, 57 psi) at 25°C (77°F)
	Maximum forward/reverse differential pressure: 0.27 MPa (2.7 bar, 39 psi) at 25°C (77°F)
	Maximum operating temperature: 40°C (104°F)
Compatibility	Visit our Chemical Compatibility web page
Weight	Gross (including package)	1.12 kg (2.5 lbs)
	Net	0.92 kg (2.0 lbs)
	Package dimensions	18.5 cm L x 14.2 cm W x 10.3 cm H (7.3" L x 5.6" W x 4.1" H)
Entegris recommends that customers change filters at least annually to ensure optimal filtration performance. Routine annual changeout will also reduce the potential of chemical leakage that can result from excessive usage. Our standard warranty period is 1 year (from Entegris ship date).
Note: The flushing shell is designed for short-term use (less than 1 month) in flushing chemical lines and systems.
Replace flushing shell with appropriate filter once line flushing is completed. Discard used flushing shells. Do not reuse. Do not use flushing shells in lieu of a filtration device or subject to long-term exposure to solvents in a pressurized environment. The warranty will be voided if the product is used in lieu of a filtration device or is subjected to long-term exposure to solvents in a pressurized environment. If expecting extended idle time in dispense line, we strongly urge customers to perform one of the following to avoid compromising flushing shell integrity: Depressurize line while flushing shell is installed. Dry the line and discontinue using the flushing shell.

Successfully Opted for software Updates

Reference Materials Product Documentation

Published Sep 1, 2024 Data Sheet Optimizer® ST-LX AT Filters

300.2 kB

Published Jul 1, 2021 Brochure Liquid Filtration Solutions

2.1 MB

Published Jul 1, 2021 Brochure Chasing the Perfect Pattern

1.4 MB

Part Numbers

Optimizer® AT Photochemical Filter Part Numbers

Part Number	Product Type	Retention Rating	Cleanliness Grade	Recommended Application
APFJ0SKM1DF1	Filter	2 nm	Ultraclean for non-nBA chemicals (DF1)	Non-nBA aggressive solvents
APFJ0SKM1ULC	Filter	2 nm	Ultra Low Carbon (ULC)	nBA
APFM0SKM1T	Filter	7 nm	Standard	nBA
APFT0SKM1	Filter	10 nm	Standard	nBA
APFT0SKM1UC	Filter	10 nm	Ultraclean (UC)	nBA
ATH0000K1	Flushing shell	N/A	Standard	N/A
S4439R008Y17	Filter	7 nm	Ultraclean Plus (UCP)	nBA