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Absolute vs. nominal: how to select the right filter for your application

What is the difference between an absolute and a nominal filter? In this blog, we clearly explain how both filter types function, what level of efficiency you can expect, and when to choose one over the other. You will also learn why absolute filters are essential for sterile applications in the food, pharmaceutical, and biotech industries, and how integrity testing ensures consistent filtration quality.

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Porous sintered metal: maximum performance under extreme operating conditions

When standard filters fail due to high temperatures, pressure, or aggressive chemicals, porous sintered metal provides the ideal solution. This robust, reusable filter medium combines durability with consistent filtration performance, even under extreme operating conditions. Van Borselen Filters has been supplying custom-engineered porous sintered metal filters for decades—from stainless steel to Hastelloy—perfectly tailored to any industrial application.

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What is PUPSIT and how does it strengthen filter integrity?

PUPSIT (Pre-Use/Post Sterilisation Integrity Testing) is essential for ensuring the integrity of sterilizing filters in the biotechnology and pharmaceutical industries. In this blog, we explain what PUPSIT is, how it works, and the benefits it offers for maintaining sterility assurance in your processes.

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Are sterile filters reusable?

Is reusing sterile filters really worth it? While it may seem like an attractive way to cut costs, reuse often comes with more risks, validation requirements, and hidden costs than you might expect. In this blog, we’ll help you weigh whether reuse makes sense for your process — and explore which alternatives actually deliver better value.

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