General Application Junior Capsule Filters / PES membrane

Buy General Application Junior Capsule Filters / PES membrane from MS factory when you need a compact, general purpose PES capsule for clarification, particle reduction, and prefiltration across a diverse range of process liquids. The SPGAJC series is 100 percent integrity tested and constructed of a single layer hydrophilic asymmetric polyethersulfone membrane, offering broad chemical compatibility, high flow rates at low pressure drops, and low extractables. The asymmetric membrane structure provides graded pore geometry that combines high dirt holding capacity with reliable particle retention, making it suitable for everything from food and beverage clarification to industrial optical coating filtration.

While PES capsules are widely known for pharmaceutical and food beverage applications, this general application junior format also serves a critical role in high technology manufacturing. In optical disk production, hard disk manufacturing, and optical coating processes, even submicron particles can cause defects in coating layers and reduce product yield. PES membranes provide clean, low extractables filtration of photoresists, coating solutions, and process chemicals, helping manufacturers achieve consistent quality in precision coating operations.

Product Benefits

•100 percent integrity tested. Every capsule is tested to ensure consistent membrane integrity and reliable filtration performance out of the box.

•FDA food contact compliant. Materials comply with FDA 21 CFR and EU 10/2011 for food and beverage contact applications, supporting use in food grade production.

•Thermal bonding. Adhesive free sealing supports low extractables and clean filtration performance, important for both pharmaceutical and high technology applications.

•Non fiber releasing. Designed to minimize fiber shedding during normal operation, protecting downstream product quality and equipment.

Industrial Application Spotlight

Optical disk manufacturing. In optical disk production, the photoresist and dye coating layers must be free of particulates that could cause data errors or surface defects. The junior PES capsule provides precision filtration of coating solutions in a compact format that fits within coating equipment, with low extractables PES membrane that will not contaminate sensitive coating chemistries.

Hard disk manufacturing. Hard disk media and head manufacturing require ultra clean process fluids, including cleaning solutions, lubricants, and coating materials. Particulate contamination can cause head crashes and media defects. PES membrane filtration provides reliable particle removal with chemical compatibility for the solvents and aqueous solutions used in hard disk production.

Optical coatings. Thin film optical coating processes use expensive coating solutions and solvents where both cleanliness and product recovery are important. The low protein binding and low adsorption characteristics of PES membrane help preserve coating composition while removing particulates that could cause optical defects.

Bulk chemicals and pharmaceutical intermediates. For general clarification of bulk chemical solutions and pharmaceutical intermediate streams, the junior capsule provides a compact, sanitizable filtration option that fits pilot and small scale production systems.

Technical Specifications

Construction Materials

•Filter Membrane: PES

•Media Support: Polypropylene

•End Caps: Polypropylene

•Inner Core: Polypropylene

•Outer Cage: Polypropylene

•Sealing Method: Thermal Bonding

Food Safety Compliance

Every food contacting component complies with FDA 21 CFR requirements and EU 10/2011 material safety standards for food and beverage applications, supporting dual use in both food grade and industrial filtration.

Sanitization and Sterilization

•Filtered Hot Water: 90 degree C (194 degree F), 30 minutes, multiple cycles, max 3 psid forward flow

•Autoclave: 121 degree C (250 degree F), 30 min, multiple cycles

Integrity Data (Water Wetted Membrane)

Selection Tips for Industrial Fluids

When selecting a pore size for industrial filtration, consider both the target particle size and the viscosity and chemical nature of the fluid. For coating solutions and photoresists, a finer rating such as 0.1 or 0.2 μm is typically required to achieve the defect levels demanded by high technology manufacturing. For bulk chemicals and process water, a medium rating of 0.45 to 0.8 μm often provides adequate clarification with longer service life. For heavily loaded fluids, consider staged filtration with a coarser pre filter upstream of the junior PES capsule to extend its life.

Always confirm PES and polypropylene compatibility with your specific process chemicals, especially when organic solvents are involved. MS factory technical support can provide chemical resistance guidance and recommend alternative membrane materials if PES is not suitable for your application.

Quality Documentation

For General Application Junior Capsule Filters / PES membrane, MS factory can provide:

•ISO 9001 quality system certificate

•Per batch integrity test report and COA

•USP Class VI and food contact compliance declarations

•Thermal bonding process documentation

Typical Applications

General application junior PES capsules are used for bottled water clarification, process water filtration, vinegar clarification, aseptic packaged liquid prefiltration, beer wine and spirits clarification, juice soft drink and edible oil filtration, optical disk manufacturing chemical filtration, hard disk manufacturing process fluid filtration, optical coating solution filtration, bulk chemical clarification, and pharmaceutical intermediate prefiltration.

Typical Flow Rate, 1 inch TC, 2.5 inch

Ordering Information