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China Suppliers Challenge Pore® PES High-Flow Hydrophilic Filters - Reliable Biopharmaceutical Factory Solutions

The Challenge IM Capsule Filters are essential for biopharmaceutical processes, covering five pivotal series: clarification, pre-filtration & sterilizing-grade, sterile, mycoplasma removal, and gas filtration. With particle retention capabilities ranging from 0.1 to 30 µm, these filters meet all critical requirements from cell culture clarification to final product sterilization. Designed to support high-temperature steam sterilization and gamma irradiation, they are compatible with a wide array of biopharmaceutical solvents, Manufactured in our state-of-the-art factories, all molded components and sealing parts are free from colorants and comply with Class VI and ISO 10993 biocompatibility standards, which significantly reduces leachables and extractables for hygienic processing. Each filter undergoes rigorous dual integrity testing during production—a requirement of two independent testing methods for product release ensures a 100% factory pass rate, Our filters meet ISO 9001 quality management and GMP standards, having successfully passed USP endotoxin, USP / biocompatibility, and USP extractables tests, while posing no TSE/BSE risk from animal-derived materials. As leading suppliers based in China, we offer fully validated filtration solutions backed by multiple internationally recognized agencies such as SGS and NF, guaranteeing reliable performance throughout the entire biopharmaceutical process

    Features

    • Reliable bacteria and particle retention
    • Broad chemical compatibility
    • High flow rate
    • High throughput

    Typical Application

    • Prefiltration of cell culture media
    • Buffer filtration

    Operating Conditions

    Maximum operating temperature 80℃
    Maximum differential pressure 0.55MPa/25℃, 0.1MPa/80℃

    Material Construction

    Filter Membrane Hydrophilic Polyethersulfone (PES)
    Inner Cage, Outer Cage Polypropylene (PP)
    Capsule Housing Polypropylene (PP)
    Capsule Vent O-Ring Silicone Rubber
    Filtration Accuracy 0.45μm / 0.65μm / 0.8μm

    Biosafety

    Endotoxin <0.25 EU/mL
    Biocompatibility
    • Compliant with USP <87> Non-cytotoxic
    • Meets USP <88> Class VI plastic biocompatibility requirements

    Dimension

    Disc Filter D50: 20cm²
    Capsule Filter 01: 0.075m²   02: 0.14m²   04: 0.25m²   05: 0.34m²   10: 0.68m²
    * Challenge Filair® PTFE filter cable of up to 50 cycles of high-temperature steam sterilization.

    Sterilization

    Challenge Pore® PES capsule filter can be sterilized by high-temperature steam (121 °C for 30 minutes, up to 5 cycles) or by gamma irradiation (25–40 kGy).

    0.45μm Pre-Filtration Capsule Filter Flow Rate

    0.45μm Pre-Filtration Capsule Filter Flow Rate Diagram
    Differential Pressure vs. Flow Rate at 20 °C (L/min)
    Frequently Asked Questions
    Q1: What are the main features of this PES capsule filter?

    The filter offers reliable bacteria and particle retention, broad chemical compatibility, high flow rate, and high throughput.

    Q2: What typical applications is this filter designed for?

    It is typically used for the prefiltration of cell culture media and buffer filtration.

    Q3: What are the maximum temperature and pressure limits for operation?

    The maximum operating temperature is 80℃. The maximum differential pressure is 0.55MPa at 25℃ and 0.1MPa at 80℃.

    Q4: What materials are used in the construction of this filter?

    It is constructed with a Hydrophilic Polyethersulfone (PES) membrane, Polypropylene (PP) inner/outer cage and capsule housing, and a Silicone Rubber vent O-ring.

    Q5: How can the Challenge Pore® PES capsule filter be sterilized?

    It can be sterilized by high-temperature steam at 121 °C for 30 minutes (up to 5 cycles) or by gamma irradiation at 25–40 kGy.

    Q6: Does the filter meet biosafety and biocompatibility standards?

    Yes, it has endotoxin levels of <0.25 EU/mL, complies with USP <87> Non-cytotoxic standards, and meets USP <88> Class VI plastic biocompatibility requirements.