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  • History of Weathering

    History of Weathering

    It all started in 1906, when the first systematic outdoor weathering test was conducted in Dakota, USA. 10 years later, the “Solar Determinator” started the carbon-arc era. In 1956, the introduction of the Xenotest 150 was the beginning of xenon-arc weathering, still being today’s method of choice for most applications. For the last 115 years, outdoor testing technologies evolved from static racks to sun-tracking exposure, and finally to accelerated devices with mirrors concentrating the sun on a target board. The history of weathering is an exciting example how various academic and technical disciplines bundle their efforts to drive technical progress in material science, technology, test method design, and service life prediction.

  • Date & Time: 26 Jan 2022 - 08:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    It all started in 1906, when the first systematic outdoor weathering test was conducted in Dakota, USA. 10 years later, the “Solar Determinator” started the carbon-arc era. In 1956, the introduction of the Xenotest 150 was the beginning of xenon-arc weathering, still being today’s method of choice for most applications. For the last 115 years, outdoor testing technologies evolved from static racks to sun-tracking exposure, and finally to accelerated devices with mirrors concentrating the sun on a target board. The history of weathering is an exciting example how various academic and technical disciplines bundle their efforts to drive technical progress in material science, technology, test method design, and service life prediction.

  • Atlas Online Fundamentals of Weathering - Outdoor Weathering

    Atlas Online Fundamentals of Weathering - Outdoor Weathering

    This seminar addresses the fundamentals of natural weathering. This includes static exposures in different reference climate zones as well as various outdoor accelerated test methods.

  • Date & Time: 2 Feb 2022 - 14:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This seminar addresses the fundamentals of natural weathering. This includes static exposures in different reference climate zones as well as various outdoor accelerated test methods.

  • Time Scales in Environmental Ageing of Polymers

    Time Scales in Environmental Ageing of Polymers

    Under the synergistic impact of solar radiation, heat, and moisture, all polymeric materials undergo chemical and physical ageing. These weathering effects lead to changes in properties and ultimately to product failure. Photodegradation, chemical, and physical processes, as well as external stresses run on very different time scales. Some effects can easily be accelerated. Others, like diffusion, migration, or water uptake need time to evolve. The result are fundamental limitations in the overall acceleration that can be achieved in an accelerated but correlating laboratory test. Knowing about the relevant aging processes and understanding their time scales and acceleration limits is critical to making the right testing decisions.

  • Date & Time: 8 Feb 2022 - 08:30 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Under the synergistic impact of solar radiation, heat, and moisture, all polymeric materials undergo chemical and physical ageing. These weathering effects lead to changes in properties and ultimately to product failure. Photodegradation, chemical, and physical processes, as well as external stresses run on very different time scales. Some effects can easily be accelerated. Others, like diffusion, migration, or water uptake need time to evolve. The result are fundamental limitations in the overall acceleration that can be achieved in an accelerated but correlating laboratory test. Knowing about the relevant aging processes and understanding their time scales and acceleration limits is critical to making the right testing decisions.

  • Atlas Online Fundamentals of Weathering - Laboratory Weathering

    Atlas Online Fundamentals of Weathering - Laboratory Weathering

    This seminar addresses different kinds of laboratory weathering instruments, various lamp types and their spectral irradiance distribution. Similarities and differences between different instrument types are discussed.

  • Date & Time: 9 Feb 2022 - 14:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This seminar addresses different kinds of laboratory weathering instruments, various lamp types and their spectral irradiance distribution. Similarities and differences between different instrument types are discussed.

  • Atlas Online Fundamentals of Weathering - Weathering Testing and Basic Standards

    Atlas Online Fundamentals of Weathering - Weathering Testing and Basic Standards

    This seminar addresses how environmental stress factors are translated into artificial weathering test cycles. Examples are given on the most common test methods for automotive, textiles, coatings, and other applications. Guidance is given on what should be considered and what should be avoided when developing significant weathering test methods.

  • Date & Time: 16 Feb 2022 - 14:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This seminar addresses how environmental stress factors are translated into artificial weathering test cycles. Examples are given on the most common test methods for automotive, textiles, coatings, and other applications. Guidance is given on what should be considered and what should be avoided when developing significant weathering test methods.

  • Atlas Online Fundamentals of Weathering - Acceleration

    Atlas Online Fundamentals of Weathering - Acceleration

    This seminar addresses the principles on how acceleration can be achieved in weathering testing. Technical solutions are described. What should be considered to get reliable and significant results from accelerated testing? How can reciprocity be validated? This seminar will give some answers.

  • Date & Time: 23 Feb 2022 - 14:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This seminar addresses the principles on how acceleration can be achieved in weathering testing. Technical solutions are described. What should be considered to get reliable and significant results from accelerated testing? How can reciprocity be validated? This seminar will give some answers.

  • Accelerated Outdoor Weathering: EMMAQUA

    Accelerated Outdoor Weathering: EMMAQUA

    Accelerated outdoor weathering with linear Fresnel-reflecting concentrators that follow the path of the sun and concentrate solar radiation onto the test specimen is well established (see e.g. ASTM G90). The use of natural solar radiation often results in degradation processes that are very similar to those observed in static outdoor weathering. Rain and dew can be simulated by spraying the specimen with deionized water.
    Since traditional mirrors concentrate the entire solar spectrum, substrates with poor thermal conductivity, such as plastics or composites, are usually not suitable, as they can easily overheat and be thermally decomposed. Coatings on substrates with good thermal conductivity, such as metals, can, however, be effectively cooled from the rear with air and are therefore usually very suitable.
    A more recent development in accelerated outdoor weathering is the use of so-called “cool mirrors” (CM), which mainly reflect UV and short-wave visible, but not infrared radiation. This results in much lower specimen temperatures compared to traditional mirrors. This enables temperature-sensitive materials to be tested.

  • Date & Time: 24 Feb 2022 - 14:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Accelerated outdoor weathering with linear Fresnel-reflecting concentrators that follow the path of the sun and concentrate solar radiation onto the test specimen is well established (see e.g. ASTM G90). The use of natural solar radiation often results in degradation processes that are very similar to those observed in static outdoor weathering. Rain and dew can be simulated by spraying the specimen with deionized water.
    Since traditional mirrors concentrate the entire solar spectrum, substrates with poor thermal conductivity, such as plastics or composites, are usually not suitable, as they can easily overheat and be thermally decomposed. Coatings on substrates with good thermal conductivity, such as metals, can, however, be effectively cooled from the rear with air and are therefore usually very suitable.
    A more recent development in accelerated outdoor weathering is the use of so-called “cool mirrors” (CM), which mainly reflect UV and short-wave visible, but not infrared radiation. This results in much lower specimen temperatures compared to traditional mirrors. This enables temperature-sensitive materials to be tested.

  • Atlas Online Fundamentals of Weathering - Correlation

    Atlas Online Fundamentals of Weathering - Correlation

    To evaluate and to understand accelerated weathering testing, it is important to know how the results “correlate” to real world weathering. In this seminar mathematical/statistical procedures are described on how to compare and how to validate weathering results from different exposures. Basic principles on how to increase correlation are discussed.

  • Date & Time: 2 Mar 2022 - 14:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    To evaluate and to understand accelerated weathering testing, it is important to know how the results “correlate” to real world weathering. In this seminar mathematical/statistical procedures are described on how to compare and how to validate weathering results from different exposures. Basic principles on how to increase correlation are discussed.

  • Introduction to Weathering

    Introduction to Weathering

    This online seminar provides an introduction into technology, methods, and basic concepts of weathering testing. The seminar starts with explaining how weather factors cause ageing of organic materials. After that, the difference between weather and climate is discussed. The seminar reviews various outdoor testing technologies like static exposure, sun-tracking and the use of concentrating Fresnel mirrors and presents how testing is performed in key benchmark climate locations. Discussion of laboratory accelerated weathering testing is structured by light source and instrument geometry. Finally, the concepts of correlation and acceleration are briefly explained.

  • Date & Time: 3 Mar 2022 - 08:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This online seminar provides an introduction into technology, methods, and basic concepts of weathering testing. The seminar starts with explaining how weather factors cause ageing of organic materials. After that, the difference between weather and climate is discussed. The seminar reviews various outdoor testing technologies like static exposure, sun-tracking and the use of concentrating Fresnel mirrors and presents how testing is performed in key benchmark climate locations. Discussion of laboratory accelerated weathering testing is structured by light source and instrument geometry. Finally, the concepts of correlation and acceleration are briefly explained.

  • From weathering testing to photo-medical studies - Applications of the Atlas SUNTEST®

    From weathering testing to photo-medical studies - Applications of the Atlas SUNTEST®

    SUNTEST are easy-to-use weathering, lightfastness, and photostability devices specially designed for 3-D specimens testing. Since the field of SUNTEST applications is very large, the goal of this webinar is to cover both the most used tests as well as few specials. We will provide background information for each application and give you guidelines how to run them using your SUNTEST.

  • Date & Time: 9 Mar 2022 - 15:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    SUNTEST are easy-to-use weathering, lightfastness, and photostability devices specially designed for 3-D specimens testing. Since the field of SUNTEST applications is very large, the goal of this webinar is to cover both the most used tests as well as few specials. We will provide background information for each application and give you guidelines how to run them using your SUNTEST.

  • Accelerated Outdoor Weathering: EMMAQUA

    Accelerated Outdoor Weathering: EMMAQUA

    Accelerated outdoor weathering with linear Fresnel-reflecting concentrators that follow the path of the sun and concentrate solar radiation onto the test specimen is well established (see e.g. ASTM G90). The use of natural solar radiation often results in degradation processes that are very similar to those observed in static outdoor weathering. Rain and dew can be simulated by spraying the specimen with deionized water.
    Since traditional mirrors concentrate the entire solar spectrum, substrates with poor thermal conductivity, such as plastics or composites, are usually not suitable, as they can easily overheat and be thermally decomposed. Coatings on substrates with good thermal conductivity, such as metals, can, however, be effectively cooled from the rear with air and are therefore usually very suitable.
    A more recent development in accelerated outdoor weathering is the use of so-called “cool mirrors” (CM), which mainly reflect UV and short-wave visible, but not infrared radiation. This results in much lower specimen temperatures compared to traditional mirrors. This enables temperature-sensitive materials to be tested.

  • Date & Time: 22 Mar 2022 - 16:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Accelerated outdoor weathering with linear Fresnel-reflecting concentrators that follow the path of the sun and concentrate solar radiation onto the test specimen is well established (see e.g. ASTM G90). The use of natural solar radiation often results in degradation processes that are very similar to those observed in static outdoor weathering. Rain and dew can be simulated by spraying the specimen with deionized water.
    Since traditional mirrors concentrate the entire solar spectrum, substrates with poor thermal conductivity, such as plastics or composites, are usually not suitable, as they can easily overheat and be thermally decomposed. Coatings on substrates with good thermal conductivity, such as metals, can, however, be effectively cooled from the rear with air and are therefore usually very suitable.
    A more recent development in accelerated outdoor weathering is the use of so-called “cool mirrors” (CM), which mainly reflect UV and short-wave visible, but not infrared radiation. This results in much lower specimen temperatures compared to traditional mirrors. This enables temperature-sensitive materials to be tested.

  • History of Weathering

    History of Weathering

    It all started in 1906, when the first systematic outdoor weathering test was conducted in Dakota, USA. 10 years later, the “Solar Determinator” started the carbon-arc era. In 1956, the introduction of the Xenotest 150 was the beginning of xenon-arc weathering, still being today’s method of choice for most applications. For the last 115 years, outdoor testing technologies evolved from static racks to sun-tracking exposure, and finally to accelerated devices with mirrors concentrating the sun on a target board. The history of weathering is an exciting example how various academic and technical disciplines bundle their efforts to drive technical progress in material science, technology, test method design, and service life prediction.

  • Date & Time: 30 Mar 2022 - 16:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    It all started in 1906, when the first systematic outdoor weathering test was conducted in Dakota, USA. 10 years later, the “Solar Determinator” started the carbon-arc era. In 1956, the introduction of the Xenotest 150 was the beginning of xenon-arc weathering, still being today’s method of choice for most applications. For the last 115 years, outdoor testing technologies evolved from static racks to sun-tracking exposure, and finally to accelerated devices with mirrors concentrating the sun on a target board. The history of weathering is an exciting example how various academic and technical disciplines bundle their efforts to drive technical progress in material science, technology, test method design, and service life prediction.

  • Time Scales in Environmental Ageing of Polymers

    Time Scales in Environmental Ageing of Polymers

    Under the synergistic impact of solar radiation, heat, and moisture, all polymeric materials undergo chemical and physical ageing. These weathering effects lead to changes in properties and ultimately to product failure. Photodegradation, chemical, and physical processes, as well as external stresses run on very different time scales. Some effects can easily be accelerated. Others, like diffusion, migration, or water uptake need time to evolve. The result are fundamental limitations in the overall acceleration that can be achieved in an accelerated but correlating laboratory test. Knowing about the relevant aging processes and understanding their time scales and acceleration limits is critical to making the right testing decisions.

  • Date & Time: 4 Apr 2022 - 16:30 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Under the synergistic impact of solar radiation, heat, and moisture, all polymeric materials undergo chemical and physical ageing. These weathering effects lead to changes in properties and ultimately to product failure. Photodegradation, chemical, and physical processes, as well as external stresses run on very different time scales. Some effects can easily be accelerated. Others, like diffusion, migration, or water uptake need time to evolve. The result are fundamental limitations in the overall acceleration that can be achieved in an accelerated but correlating laboratory test. Knowing about the relevant aging processes and understanding their time scales and acceleration limits is critical to making the right testing decisions.

  • Textile Testing: Colorfastness to Light

    Textile Testing: Colorfastness to Light

    This seminar addresses the principles of natural and artificial lightfastness testing techniques for textiles. Examples are given on the most common test methods for apparel and interior applications (AATCC TM16, ISO 105-B02, Company specifications), automotive interior (SAE J2412, ISO 105-B06) and also exterior applications and technical textiles (ISO 105-B04 and B10). The purpose of reference materials for testing, evaluation, and rating is explained.

  • Date & Time: 26 Apr 2022 - 13:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This seminar addresses the principles of natural and artificial lightfastness testing techniques for textiles. Examples are given on the most common test methods for apparel and interior applications (AATCC TM16, ISO 105-B02, Company specifications), automotive interior (SAE J2412, ISO 105-B06) and also exterior applications and technical textiles (ISO 105-B04 and B10). The purpose of reference materials for testing, evaluation, and rating is explained.

  • Accelerated Outdoor Weathering: EMMAQUA

    Accelerated Outdoor Weathering: EMMAQUA

    Accelerated outdoor weathering with linear Fresnel-reflecting concentrators that follow the path of the sun and concentrate solar radiation onto the test specimen is well established (see e.g. ASTM G90). The use of natural solar radiation often results in degradation processes that are very similar to those observed in static outdoor weathering. Rain and dew can be simulated by spraying the specimen with deionized water.
    Since traditional mirrors concentrate the entire solar spectrum, substrates with poor thermal conductivity, such as plastics or composites, are usually not suitable, as they can easily overheat and be thermally decomposed. Coatings on substrates with good thermal conductivity, such as metals, can, however, be effectively cooled from the rear with air and are therefore usually very suitable.
    A more recent development in accelerated outdoor weathering is the use of so-called “cool mirrors” (CM), which mainly reflect UV and short-wave visible, but not infrared radiation. This results in much lower specimen temperatures compared to traditional mirrors. This enables temperature-sensitive materials to be tested.

  • Date & Time: 27 Apr 2022 - 07:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Accelerated outdoor weathering with linear Fresnel-reflecting concentrators that follow the path of the sun and concentrate solar radiation onto the test specimen is well established (see e.g. ASTM G90). The use of natural solar radiation often results in degradation processes that are very similar to those observed in static outdoor weathering. Rain and dew can be simulated by spraying the specimen with deionized water.
    Since traditional mirrors concentrate the entire solar spectrum, substrates with poor thermal conductivity, such as plastics or composites, are usually not suitable, as they can easily overheat and be thermally decomposed. Coatings on substrates with good thermal conductivity, such as metals, can, however, be effectively cooled from the rear with air and are therefore usually very suitable.
    A more recent development in accelerated outdoor weathering is the use of so-called “cool mirrors” (CM), which mainly reflect UV and short-wave visible, but not infrared radiation. This results in much lower specimen temperatures compared to traditional mirrors. This enables temperature-sensitive materials to be tested.

  • Weathering Testing of Architectural Applications

    Weathering Testing of Architectural Applications

    Many materials used in building and construction are permanently exposed to the effects of weather. This includes window frames and profiles, sidings, paint, sealings and many other applications, but also many different materials are affected, such as wood, glass, vinyl and concrete. This online seminar gives an overview of weathering test methods for architectural applications.

  • Date & Time: 10 May 2022 - 13:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Many materials used in building and construction are permanently exposed to the effects of weather. This includes window frames and profiles, sidings, paint, sealings and many other applications, but also many different materials are affected, such as wood, glass, vinyl and concrete. This online seminar gives an overview of weathering test methods for architectural applications.

  • Textile Testing: Colorfastness to Light

    Textile Testing: Colorfastness to Light

    This seminar addresses the principles of natural and artificial lightfastness testing techniques for textiles. Examples are given on the most common test methods for apparel and interior applications (AATCC TM16, ISO 105-B02, Company specifications), automotive interior (SAE J2412, ISO 105-B06) and also exterior applications and technical textiles (ISO 105-B04 and B10). The purpose of reference materials for testing, evaluation, and rating is explained.

  • Date & Time: 19 May 2022 - 07:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    This seminar addresses the principles of natural and artificial lightfastness testing techniques for textiles. Examples are given on the most common test methods for apparel and interior applications (AATCC TM16, ISO 105-B02, Company specifications), automotive interior (SAE J2412, ISO 105-B06) and also exterior applications and technical textiles (ISO 105-B04 and B10). The purpose of reference materials for testing, evaluation, and rating is explained.

  • Weathering Testing of Architectural Applications

    Weathering Testing of Architectural Applications

    Many materials used in building and construction are permanently exposed to the effects of weather. This includes window frames and profiles, sidings, paint, sealings and many other applications, but also many different materials are affected, such as wood, glass, vinyl and concrete. This online seminar gives an overview of weathering test methods for architectural applications.

  • Date & Time: 25 May 2022 - 07:00 UTC
  • Location: Online
  • Language: EN
  •  
  • More info »

    Many materials used in building and construction are permanently exposed to the effects of weather. This includes window frames and profiles, sidings, paint, sealings and many other applications, but also many different materials are affected, such as wood, glass, vinyl and concrete. This online seminar gives an overview of weathering test methods for architectural applications.