Thermal aging

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The long-term stability of plastics and textiles is a quality criterion for many applications. Car manufacturers prescribe heat ageing tests for various plastics, such as Volkswagen AG for PP (VW 44045) or Daimler AG for plastic parts in engine ventilation systems (DBL 5408). These can be carried out at elevated temperatures, but also in conjunction with various media and operating materials.

Long-term tests

The tests are carried out in accordance with the various specifications. The storage times can range from 168 hours to 2000 hours. In addition to visual tests, mechanical tests are often carried out after ageing, which are compared with the initial values.

Typical tests for evaluating heat ageing:

visual assessments
buckling test
mechanical tests
degradation measurements

The initial properties should always be tested in the same laboratory using the same test method, as otherwise no meaningful evaluations are possible due to a variety of influencing factors.

Hot storage temperature

In short-term storage, the hot storage temperature is used to determine the dimensional stability of components. This is also a check on whether optimum processing conditions (tool temperature, holding pressure and cooling time) have been selected for the production of the components.

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Here you will find a list of all test standards for which we offer services in this area. All currently accredited standards can be found on the Accreditation page in our list of services.

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Plastics testing

Dipl.-Ing. Ute Schwarz

Phone: + 49 3672 379 - 420

Email: kunststoffpruefung@ompg.de

Textile testing

Dipl.-Ing. Christian Hauspurg

Phone: + 49 3672 379 - 341

Email: prueflabor@ompg.de

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Phone	+ 49 3672 379 - 0
E-Mail	info@ompg.de

DIN 53497	Testing of plastics – Hot storage test on mouldings made of thermoplastic moulding materials without external mechanical stressing
DIN EN 60068-2-30	Environmental testing – Part 2-30: Tests – Test Db: Damp heat, cyclic (12 h + 12 h cycle)
DIN EN IEC 60068-2-14 - VDE 0468-2-14	Environmental testing – Part 2-14: Test – Test N: Change of temperature (IEC 104/933/CDV:2022)
DIN EN ISO 105-B02	Textiles – Tests for colour fastness – Part B02: Colour fastness to artificial light: Xenon arc fading lamp test
DIN EN ISO 105-B04	Textiles – Tests for colour fastness – Part B04: Colour fastness to artificial weathering: Xenon arc fading lamp test
DIN EN ISO 105-B06	Textiles – Tests for colour fastness – Part B06: Colour fastness and ageing to artificial light at high temperatures: Xenon arc fading lamp test
DIN EN ISO 4892-2	Plastics – Methods of exposure to laboratory light sources – Part 2: Xenon-arc lamps
DIN EN ISO 6270-1	Paints and varnishes – Determination of resistance to humidity – Part 1: Condensation (single-sided exposure)
DIN EN ISO 6270-2	Paints and varnishes – Determination of resistance to humidity – Part 2: Condensation (in-cabinet exposure with heated water reservoir)
Mercedes-Benz DBL 1224	Requirements for Thermoplastic Synthetic Materials for Applications in the Interior
Mercedes-Benz standard MBN 51000-4	Polymer-based materials, material systems and semi-finished products – Part 4: Thermal tests (predecessor standard: MBN 55555-4)
VDA 75202	Automotive interior materials – Colour fastness test and aging behavior to light at high temperatures – Xenon arc light (withdrawn standard) (sun simulation)
VDA75202	Materials for automotive interiors – Colour fastness test and ageing behavior against light at high temperatures – Xenon arc light
VW 44045	Polypropylene (PP), finished parts – Material requirements (also VW 52388 - PP modified with talc and impact resistant)
VW PV 1303	Non-metallic materials – Exposure test for vehicle interior components
VW PV 3929	Non-metallic materials – Weathering in hot and dry climates (exterior)
VW PV 3930	Weathering in warm and humid climates (exterior)

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Thermal aging

Long-term tests

Hot storage temperature

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Other test procedures of aging and resistance

Color and gloss measurement

Color fastness

Surface, aging and resistance

Hardness and scratch testing

Media restistance

Light, weather and climate