{"id":6514,"date":"2026-05-17T22:27:31","date_gmt":"2026-05-17T14:27:31","guid":{"rendered":"https:\/\/oqitop.com\/?p=6514"},"modified":"2026-05-17T22:27:31","modified_gmt":"2026-05-17T14:27:31","slug":"oqitop-new-material-co-ltd-stainless-steel-foam-discs-enabling-precision-filtration-at-the-university-of-california","status":"publish","type":"post","link":"https:\/\/oqitop.com\/ja\/oqitop-new-material-co-ltd-stainless-steel-foam-discs-enabling-precision-filtration-at-the-university-of-california\/","title":{"rendered":"Oqitop New Material Co., Ltd.: Stainless Steel Foam Discs Enabling Precision Filtration at the University of California"},"content":{"rendered":"

In high\u2011end electrochemical and fluid systems, filtration is no longer just about \u201cblocking particles.\u201d It is about protecting sensitive components, maintaining stable flow, and ensuring long\u2011term performance without constant replacement or maintenance.<\/p>\n

At the University of California, a leading research team faced exactly this challenge: how to achieve precision filtration<\/strong> that could reliably intercept fine particles\u2014without damaging delicate electrodes or clogging micro\u2011channels in their experimental setups.<\/p>\n

Their solution came from materials engineering: Oqitop\u2019s stainless steel foam discs<\/strong>, featuring controlled pore sizes of 5\u201350 \u03bcm<\/strong>, high structural integrity, and regenerable performance through backwashing.<\/p>\n

\n

The Challenge: Clean Fluids, Protected Electrodes, Stable Flow<\/h2>\n

In advanced research and testing platforms, especially those involving electrochemical cells, flow reactors, or precision analytical instruments, the fluid pathway must meet several strict requirements at the same time:<\/p>\n

    \n
  • Fine particle interception<\/strong>: Remove solid particles, impurities, and carbon powder before they reach critical components.<\/li>\n
  • Protection of sensitive surfaces<\/strong>: Prevent hard particles from scratching or eroding electrodes and other precision parts.<\/li>\n
  • Unobstructed flow channels<\/strong>: Avoid partial or complete blockage of narrow flow paths that can cause pressure spikes, measurement errors, or non\u2011uniform reaction conditions.<\/li>\n
  • Clean, stable operation over time<\/strong>: Filtration media must not shed fibers or fragments that become a new source of contamination.<\/li>\n
  • Serviceable and sustainable<\/strong>: Filters that can be backwashed and regenerated are preferred over disposable elements from both cost and environmental perspectives.<\/li>\n<\/ul>\n

    Traditional filter media\u2014such as polymer membranes, nonwoven fiber filters, or loose\u2011packed beds\u2014often show limitations in such demanding applications: they may shed fibers, deform under pressure, clog quickly, or be difficult to clean and reuse.<\/p>\n

    The University of California team needed a robust, metal\u2011based, precisely porous filtration medium<\/strong> that could be integrated into disc\u2011type filter modules<\/strong>\u2014compact, easy to mount, and engineered for repeatable, high\u2011accuracy experiments.<\/p>\n

    \n

    Oqitop Stainless Steel Foam Discs: Precision Pores, Durable Structure<\/h2>\n

    Oqitop New Material Co., Ltd. has been focusing on advanced porous metal materials, and our stainless steel foam discs<\/strong> were specifically selected to address these challenges.<\/p>\n

    Controlled Pore Size: 5\u201350 \u03bcm for Precision Filtration<\/h3>\n

    Through carefully controlled foaming and sintering processes, our stainless steel foam achieves a tunable pore size range of 5\u201350 \u03bcm<\/strong>. This allows the University of California team to:<\/p>\n

      \n
    • Efficiently intercept<\/strong>\u00a0solid particles, fine impurities, and suspended carbon powder<\/li>\n
    • Filter out microparticles that could otherwise scratch electrodes or accumulate in narrow flow channels<\/li>\n
    • Maintain a balance between filtration accuracy and acceptable pressure drop<\/li>\n<\/ul>\n

      By choosing the appropriate pore size within the 5\u201350 \u03bcm range, the researchers can customize the disc filters to different fluids, particle distributions, and system requirements\u2014whether in electrolyte circulation, carbon\u2011based slurry systems, or fine chemical streams.<\/p>\n

      Reliable Particle Capture: Solid Particles, Impurities, Carbon Powder<\/h3>\n

      In practice, the stainless steel foam discs at UC are used to:<\/p>\n

        \n
      • Capture\u00a0solid debris and foreign particles<\/strong>\u00a0introduced during sample preparation or system assembly<\/li>\n
      • Filter\u00a0residual carbon powder<\/strong>\u00a0and other fine particulates from slurry\u2011based or carbon\u2011containing systems<\/li>\n
      • Minimize contamination of\u00a0downstream electrodes, sensors, and micro\u2011channels<\/strong><\/li>\n<\/ul>\n

        The open yet precisely structured foam forms a 3D labyrinth, forcing particles to be intercepted and trapped within the pores while allowing the fluid to pass through more freely.<\/p>\n

        \n

        Protecting Electrodes and Flow Channels<\/h2>\n

        For the University of California researchers, the filtration solution had to do more than just \u201cclean\u201d the fluid; it needed to protect critical components<\/strong>.<\/p>\n

        Preventing Electrode Scratching<\/h3>\n

        In electrochemical cells or advanced test platforms, the electrode surface often plays a decisive role in experimental accuracy and long\u2011term stability. Hard particles carried by the fluid can:<\/p>\n

          \n
        • Scratch electrode surfaces<\/li>\n
        • Remove or damage catalyst layers<\/li>\n
        • Cause local defects that change reaction behavior<\/li>\n<\/ul>\n

          By intercepting particles in the 5\u201350 \u03bcm<\/strong> range, Oqitop stainless steel foam discs act as a protective barrier<\/strong> upstream of the electrodes, reducing mechanical damage risk and extending the effective lifetime of expensive or carefully prepared electrode materials.<\/p>\n

          Avoiding Channel Blockage<\/h3>\n

          Many modern systems rely on narrow flow channels, micro\u2011channels, or fine distribution manifolds<\/strong> to ensure uniform flow and precise control of reaction conditions. Particle accumulation in these channels can lead to:<\/p>\n

            \n
          • Partial or complete blockage<\/li>\n
          • Non\u2011uniform flow distribution<\/li>\n
          • Local overheating or concentration gradients<\/li>\n
          • Instability in experimental data<\/li>\n<\/ul>\n

            By placing our stainless steel foam discs at key nodes in the fluid loop, the UC team effectively filters out particles before they can enter these critical pathways, helping maintain stable pressure, uniform flow, and repeatable experimental conditions<\/strong> over longer runs.<\/p>\n

            \n

            Clean and Stable: No Fiber Shedding, Easy to Regenerate<\/h2>\n

            One major advantage of Oqitop\u2019s stainless steel foam, especially when compared to conventional fiber\u2011based filters, is its solid metallic structure<\/strong>.<\/p>\n

            No Fiber Shedding<\/h3>\n

            Because the foam is a monolithic sintered metal network, there are:<\/p>\n

              \n
            • No loose fibers<\/strong>\u00a0to break off and contaminate the fluid<\/li>\n
            • No risk of polymer or organic debris degrading under heat or chemicals<\/li>\n
            • No new source of particles introduced by the filter itself<\/li>\n<\/ul>\n

              For high\u2011precision experiments and sensitive analytical systems, this is crucial. The filtration medium must reduce contamination, not add to it.<\/p>\n

              Backwashable and Regenerable<\/h3>\n

              Instead of replacing filter elements frequently, the University of California team can clean and regenerate<\/strong> the stainless steel foam discs through backwashing or flushing procedures:<\/p>\n

                \n
              • Reverse flow to dislodge trapped particles<\/li>\n
              • Combine with ultrasonic cleaning or chemical rinsing when necessary<\/li>\n
              • Restore filtration efficiency without compromising the structure<\/li>\n<\/ul>\n

                Stainless steel\u2019s mechanical strength and chemical resistance<\/strong> allow multiple regeneration cycles, significantly extending the service life of each disc and reducing both operating cost and waste.<\/p>\n

                \n

                From Laboratory Evaluation to Reliable Daily Use<\/h2>\n

                In collaboration with Oqitop, the University of California team:<\/p>\n

                  \n
                • Selected disc geometries compatible with their existing filter housings<\/li>\n
                • Chose pore size ranges within 5\u201350 \u03bcm tailored to specific applications<\/li>\n
                • Evaluated pressure drop, particle capture efficiency, and long\u2011term structural stability<\/li>\n<\/ul>\n

                  Over time, the stainless steel foam disc filters have moved from trial components<\/strong> to standard elements<\/strong> in several of their fluid management systems, helping ensure:<\/p>\n

                    \n
                  • Cleaner electrolytes and process fluids<\/li>\n
                  • Better protection of electrodes, sensors, and micro\u2011channels<\/li>\n
                  • More consistent, reproducible experimental results<\/li>\n<\/ul>\n
                    \n

                    Oqitop: Your Partner in Advanced Metal Foam Filtration<\/h2>\n

                    The case with the University of California demonstrates how precision\u2011engineered stainless steel foam discs<\/strong> can solve real\u2011world filtration challenges in demanding research and industrial environments.<\/p>\n

                    Oqitop New Material Co., Ltd. offers:<\/p>\n

                      \n
                    • Customized pore sizes (5\u201350 \u03bcm and beyond)<\/strong>\u00a0for different particle size distributions<\/li>\n
                    • Various\u00a0disc diameters, thicknesses, and densities<\/strong>\u00a0to fit your hardware<\/li>\n
                    • Technical support on\u00a0filter design, integration, and regeneration strategies<\/strong><\/li>\n<\/ul>\n

                      If your system requires fine, reliable particle interception<\/strong>, protection of sensitive components, and a durable, backwashable filter<\/strong> with no fiber shedding, Oqitop\u2019s stainless steel foam discs may be the key component you are looking for.<\/p>\n

                      \u2014
                      \nOqitop New Material Co., Ltd.
                      \nAdvanced porous metal solutions for precision filtration and next\u2011generation fluid systems.<\/p>\n

                      \"\" \"\"<\/p>","protected":false},"excerpt":{"rendered":"

                      In high\u2011end electrochemical and fluid systems, filtration is no longer just about \u201cblocking particles.\u201d It is about protecting sensitive components, maintaining stable flow, and ensuring long\u2011term performance without constant replacement or maintenance. At the University of California, a leading research team faced exactly this challenge: how to achieve precision filtration that could reliably intercept fine […]<\/p>","protected":false},"author":1,"featured_media":6517,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/posts\/6514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/comments?post=6514"}],"version-history":[{"count":1,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/posts\/6514\/revisions"}],"predecessor-version":[{"id":6518,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/posts\/6514\/revisions\/6518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/media\/6517"}],"wp:attachment":[{"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/media?parent=6514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/categories?post=6514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oqitop.com\/ja\/wp-json\/wp\/v2\/tags?post=6514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}