UL 900 TestingAll of the world’s foremost HVAC/R manufacturers, andthe leading industry associations, partner with Interte...
Sample UL 900 Testing Process  The UL 900 standard is designed to determine combustibility and the  amount of smoke genera...
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Ul 900-fact-sheet

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Ul 900-fact-sheet

  1. 1. UL 900 TestingAll of the world’s foremost HVAC/R manufacturers, andthe leading industry associations, partner with Intertekfor their testing and certifications needs. Why? Wesimply have the most experience, expertise andcapacity.Intertek has applied decades of flammability testingexperience with building materials to provide UL 900testing to our clients.Filters found in compliance with the UL 900 test methodare eligible to bear an ETL Listed Mark with a “Classifiedto UL 900” designation. This mark tells buyers that theproduct has undergone testing by an independenttesting laboratory and has met applicable requirements.Interteks ETL Listed Mark is backed by responsivecustomer service and is recognized throughout NorthAmerica by Authorities Having Jurisdiction.A single solution for HVAC/R testingIntertek has the expertise, resources and global reach to support itscustomers through its network of more than 1,000 laboratories andoffices and over 26,000 people in 110 countries around the world.
  2. 2. Sample UL 900 Testing Process The UL 900 standard is designed to determine combustibility and the amount of smoke generated for air filter units under test. Our equipment is constructed according to required methodology and simulates actual filter applications to determine accurate readings of performance and flame-exposure testing.  The UL 900 test method simulates a fire within a duct, which impinges on the filter.  The test filter is mounted inside a standard size duct and a specific air flow through the filter is established.  Upon the start of the test, a methane flame is ignited on the upwind side of the filter, resulting in a direct flame against the filter, which is maintained for three minutes.  For classification, strict limits are placed on the amount of smoke and flames that may pass through the filter.  For Class I, no flames or sparks may pass through the filter and only a small amount of smoke can be generated.  For Class II, limited flaming and sparking are acceptable and a larger amount of smoke may be generated.Why choose Intertek for your HVAC/R Testing and Certification?  Expertise – Our engineers know your products, your industry and the standards your product must meet. If one of your products doesn’t make the grade, our engineers can suggest modifications to the fault to get you back on the right track.  Global Market Access – Our knowledge of global requirements can help you get approvals for every market you target.  Faster time-to-market – We provide a single source for product planning, testing, and certification needs. This saves our clients time and money, and provides them with the ability to reach more markets faster. To learn more, visit us online at www.intertek.com/hvac/ul- 900-testing or call 1-800-WORLDLAB.

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