Testing has always been crucial to the success of every air filter

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta content="width=device-width, initial-scale=1.0" name="viewport" /> <meta name="format-detection" content="telephone=no" /> <meta name="theme-color" content="#00673e" /> <meta name="google-site-verification" content="_fAbplqJSoq-7lU-4ew6BGx4rLqetcsoiOzzJSmbkII" /> <meta name="naver-site-verification" content="268d13a1bf98438db1ebbca3b6caf88bcfccde30" /> <link rel="preconnect" href="https://fonts.gstatic.com" /> <link rel="preconnect" href="https://www.googletagmanager.com" /> <link rel="preconnect" href="https://fonts.googleapis.com" /> <link rel="preconnect" href="https://www.google-analytics.com" /> <link rel="preconnect" href="https://geolocation.onetrust.com" /> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-NLXVRC8');</script> <link rel="icon" type="image/png" href="https://www.camfil.com/-/media/project/camfilcom/favicon/favicon.png?h=196&w=196&rev=-1&hash=1977E64D6FEF32E84B9965CC0A063488" sizes="196x196" /> <link rel="icon" type="image/png" href="https://www.camfil.com/-/media/project/camfilcom/favicon/favicon.png?h=128&w=128&rev=-1&hash=B94249D15A362904FB9464FA58D762DF" sizes="128x128" /> <link rel="icon" type="image/png" href="https://www.camfil.com/-/media/project/camfilcom/favicon/favicon.png?h=96&w=96&rev=-1&hash=8BFB899C52AE49B6DBD84422695C4641" sizes="96x96" /> <link rel="icon" type="image/png" href="https://www.camfil.com/-/media/project/camfilcom/favicon/favicon.png?h=32&w=32&rev=-1&hash=C3607464702542E0F8F98F724212C7D5" sizes="32x32" /> <link rel="icon" type="image/png" href="https://www.camfil.com/-/media/project/camfilcom/favicon/favicon.png?h=16&w=16&rev=-1&hash=88E3B5C41A9A258D02532B746B50A8B0" sizes="16x16" /> <link rel="icon" type="image/x-icon" href="/favicon.ico" /> <title>Testing has always been crucial to the success of every air filter | Camfil</title> <meta property="og:type" content="website" /> <meta property=og:url content="https://www.camfil.com/en-sg/insights/air-quality/history-of-product-testing-with-anders-sundvik" /> <meta property=og:description content="Rigorous testing of a product during its development phase is ultimately about being able to guarantee a certain level of performance. 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language-selector-language-link" href="/" data-language="zh-TW" data-siteurl=""> <span class="language-selector-language-header">台湾</span> <span class="language-selector-language-written-language">繁体中文</span> </a> </div> <div class="language-selector-language"> <a class="MainNavigation-languageLink language-selector-language-link" href="/" data-language="th-TH" data-siteurl=""> <span class="language-selector-language-header">ประเทศไทย</span> <span class="language-selector-language-written-language">ภาษาไทย</span> </a> </div> </div> <div class="col-xl-4 col-lg-3 col-md-4"> <div class="language-selector-language"> <a class="MainNavigation-languageLink language-selector-language-link" href="/" data-language="ar-AE" data-siteurl=""> <span class="language-selector-language-header">United Arab Emirates</span> <span class="language-selector-language-written-language">English</span> </a> </div> <div class="language-selector-language"> <a class="MainNavigation-languageLink language-selector-language-link" href="/" data-language="" data-siteurl="https://www.camfil.com/ar-ae/campaigns/uae/clean-air"> <span class="language-selector-language-header">الإمارات العربية المتحدة</span> <span class="language-selector-language-written-language">العربية</span> </a> </div> <div class="language-selector-language"> <a class="MainNavigation-languageLink language-selector-language-link" href="/" data-language="vi-VN" data-siteurl=""> <span class="language-selector-language-header">Việt Nam</span> <span class="language-selector-language-written-language">Tiếng Việt</span> </a> </div> </div> </div> </div> </div> <div class="col-xl-12"> <div class="MainNavigation-megaLvl1Item language-selector-region"> <a class="MainNavigation-megaLvl1Link u-toggleAll language-selector-region-label" href="#">Europe</a> <button class="d-xl-none MainNavigation-toggleButton u-toggleAll"></button> <div class="row language-selector-language-wrapper u-toggleAllTarget "> <div class="col-xl-3 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class="SecondaryNavigation-level1Link " href="/en-sg/insights/virus-contamination-control"> Virus contamination control </a> </li> </ul> </nav> </div> </div> <div id="camY2NjZjkwNEEwMGI2NDk21" class="camfil-col col-xs-12 col-md-9 "> <div class="row "> <div class="ArticleCreatedComponent-dateText col-12 mb-4"> Created Tuesday, 17 October 2023 </div> <div class="col-12"> <h1 class=" u-heading mt-2"> Testing has always been crucial to the success of every air filter </h1> </div> <div class="col-12 col-md-9 "> <div class="lead"> <p> Rigorous testing of a product during its development phase is ultimately about being able to guarantee a certain level of performance. This is, of course, also true for high quality air filters like Camfil's. And the way these products are tested has always been changing and evolving. </p> </div> </div> <div class="col-12 col-md-3"> </div>  <div class="RichText col-12 mb-4"> <div> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">If you look at the history of a company like Camfil, the testing of new filter products has <br />always been a central part of the business.</span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">It was evident already in Camfil’s second year of operation, in 1964. Starting production <br />of the first HEPA filters for the Swedish nuclear power industry meant having to invest in <br />advanced testing equipment. All with the purpose of being able to individually test the <br />integrity of each filter to ensure compliance with the norms of the International Atomic <br />Energy Agency (IAEA). </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">Camfil’s test rig was the first advanced testing equipment for HEPA filters in Europe. <br />It made it possible to guarantee a filter efficiency of 99.97 percent on particles 0.3 microns <br />in size. The aerosol test process was the Dispersed Oil Particulate (DOP) test, which is <br />still in use today.  </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">The use of aerosols for testing air filters began during World War II, when the allied forces <br />sought ways to protect soldiers from chemical fogs or other toxic warfare. Leading researchers <br />chose dioctyl phthalate (DOP) as their testing aerosol for its ability to produce a narrow <br />distribution of particle sizes. They also worked from the theory that, for air filters at that time, <br />the focus should be on capturing particles approximately 0.3 microns in size. </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">DOP and other clear liquid aerosols remained the preferred choice, even though attempts <br />were made to use solids such as sulfur and stearic pipes. But they did not work as well since <br />they caused testing equipment to be clogged and contaminated, leading to too much variability <br />in the test results. </span></p> </div> </div>   <div class="TextAndImageInTwoColumns col-12 mb-3"> <div class="row"> <div class="col-12 col-md-6 "> <div class="TextAndImageInTwoColumns-text"> <div> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"><strong>Highly accurate field simulations</strong></span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"><strong></strong><br /> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">Anders Sundvik is Vice President of R&D at Camfil and has been a key figure in Camfil’s product development for more than twenty years. </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">He describes testing as having gone from simulations of real situations using aerosols in lab environments, that were not always quite real enough, to field simulations that are highly accurate in simulating real environments and conditions.</span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span style="font-family: Arial, sans-serif;"></span></p> </div> </div> </div> <div class="TextAndImageInTwoColumns-image col-12 col-md-6 ">   <img src="/-/media/images/qbank/_images/research--development/image-camfield-lab-exterior-2-2019-eng.jpg?h=210&iar=0&mw=760&w=280&rev=a069669a7ffc41c099b5c06f9372d0fc&placeholder=pixelated&hash=9FBFF8007F7D5F8ED4BC1935C95EF818" class="img-fluid u-lazyAnimated" alt="" width="280" height="210" data-src="/-/media/images/qbank/_images/research--development/image-camfield-lab-exterior-2-2019-eng.jpg?rev=a069669a7ffc41c099b5c06f9372d0fc&iar=0&mw=760&h=210&w=280&hash=8D5733580D7462690570C180DB2B8654" />   </div> </div> </div>   <div class="RichText col-12 mb-5 mb-lg-7"> <div> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">The first version of the mobile Camfield test labs that Camfil has now, was stationary and built <br />in Borås, in Sweden, by RISE, an independent, state-owned research institute. At that facility, <br />filters could be tested under real-world conditions. The problem, however, was that the tests <br />were not done continuously, only every other month, and only in Borås. </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">“It is not optimal to only test filters in one location that has one type of climate. When developing <br />new products, you need to test them in various locations with different air volume, humidity, <br />temperature, air pollution levels, etc.”</span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><span lang="EN-US" style="font-family: Arial, sans-serif;">Nowadays, says Anders Sundvik, Camfil has several state-of-the-art mobile Camfield Laboratories, <br />where filter performance can be tested in any chosen location under real operating conditions, <br />while the results are continuously monitored and evaluated remotely in real time. “This allows us <br />to collect test data about the filter over its whole lifetime.”<br /></span></p><p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"><strong>How LCA helps the customer</strong></span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"><strong></strong><br /> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">Anders Sundvik became Vice President of R&D in 2010. Camfil has since gone from a technology <br /> driven development culture to a more customer-centric approach. </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">One example of this, he says, is Camfil’s software for Life Cycle Cost Analysis (LCA). </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">“The LCA technology is in large part made possible thanks to the data we collect during the <br /> development phase of our filters, which includes the testing we do in the Camfield labs around <br /> the world.”</span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">The data from the field tests also helps Camfil’s R&D team to better interpret tests that are <br /> performed in the lab and to show customers highly accurate scenarios via the LCA tool. </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">“We have used the test data to create algorithms that enables us to simulate real-world conditions <br /> within the LCA software. This makes it possible to accurately predict how the product will work for <br /> our customers; how various filter materials will perform, different outcomes when choosing one <br /> product configuration instead of another, and so on.”</span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">Anders Sundvik underlines that it is not enough for Camfil’s customers to only know the cost of <br /> the actual air filter. The great benefit of Camfil’s LCA tool, is that it provides a range of other cost <br /> variables over a filter’s lifetime, such as filter efficiency, how long the filter will last, how much it <br /> will cost to change and dispose of the filter and the largest expense, which is energy usage.</span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;"> </span></p> <p style="margin: 0cm 0cm 0.0001pt; font-size: medium; font-family: Calibri, sans-serif; caret-color: #000000; color: #000000;"><span lang="EN-US" style="font-family: Arial, sans-serif;">“What this means is that the data generated while testing our filters during the development phase <br /> makes it possible for our LCA tool to help our customers optimise their power output, minimise their <br /> maintenance, reduce their fuel costs and CO2 emissions - and increase their profitability,” <br /> concludes Anders Sundvik. </span></p> </div> </div>  </div> </div> </div> </div> </div> </div> </div> <footer class="Footer"> <a class="Footer-backToTop" href="#top" data-smooth-scroll> <div class="Footer-backToTopIcon"></div> Back to top </a> <div class="Footer-upper"> <div class="container-fluid u-limitPageWidth"> <div class="row"> <div class="col-sm-6"> <div class="row"> <div class="col col-md-3 Footer-contentWrapper"> <strong class="u-heading">About Camfil</strong><ul><li><a href="/en-sg/about-us/people/join-our-team">Job opportunities</a></li><li><a href="/en-sg/about-us/people">People</a></li><li><a href="/en-sg/about-us/press-and-events">Press and events</a></li><li><a href="/en-sg/about-us/sustainability">Sustainability</a></li><li><a href="/en-sg/about-us/sustainability/responsible-business-and-employee-commitment/code-of-conduct-for-business-partners">Whistleblowing</a></li></ul> </div> <div class="col col-md-9 Footer-contentWrapper"> <strong 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Testing has always been crucial to the success of every air filter | Camfil