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ZF-ZSL2 – 17mm PTFE Syringe Filter with Luer Lock (0.2μm/0.3μm)
For laboratories processing aggressive solvents or HPLC samples, the syringe filter is a silent workhorse. The ZF-ZSL2 from Zhenfu represents the kind of standardized, high-volume consumable that keeps analytical workflows running.
Analytical chemistry relies on sample purity. Particulates and contaminants in a mobile phase can ruin a column or skew results, which is why syringe filters are standard-issue in labs handling HPLC. The ZF-ZSL2, a 17mm PTFE membrane filter housed in medical-grade ABS, is built for this exact purpose: removing particles down to 0.2 or 0.3 microns before injection.
The choice of PTFE is not incidental. Its hydrophobic nature makes it the preferred material for filtering organic solvents, strong acids, and even gas samples—applications where nylon or PES membranes would degrade. The Luer Lock inlet and outlet ensure a secure, leak-free connection to syringes, reducing operator friction in high-throughput settings.
Zhenfu manufactures these in Rizhao, China, with a daily capacity of 20,000 units. That production scale speaks to the high-volume, low-margin nature of lab consumables—a space where consistency in pore size, membrane integrity, and housing seal are non-negotiable. CE certification confirms compliance with European standards, but the real quality signal is the absence of batch variation.
From a procurement standpoint, the filter’s zero MOQ and free sample policy lower the barrier for testing. For contract labs, pharmaceuticals, or academic research groups that process hundreds of samples daily, even minor improvements in filter reliability compound into meaningful operational efficiency.
China’s role here is as a manufacturing engine for standardized laboratory tools—items that are not glamorous but are structurally necessary. The ZF-ZSL2 is a reminder that behind every high-impact paper or drug release is a chain of reliable consumables, produced at industrial scale with repeatable precision.
In filtration, the smallest component often governs the biggest outcomes.
Why it matters:
This filter is a direct input to analytical accuracy. For labs running HPLC or handling aggressive chemicals, its material specs and manufacturing consistency reduce the risk of contamination and column damage—making it a low-cost, high-impact procurement decision.
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