Fogging is the residue of chemicals deposited on interior glass and other surfaces released from automotive interior trim materials under certain temperature conditions; that is, fogging testing is to determine the fogging characteristics of automotive interior trim of textiles, plastic and leather materials, etc.

Fogging test is very important for automotive design and driving comfort, etc.

Fogging test is not only for automotive interior trim, but for more applications: it is for high-temperature volatilizable constituent evaporation evaluation of the interior trim/components in automotives and aircrafts, including automotive inner plastic decoration components, polyurethane, textiles, leather, adhesives, non-woven and thermal forming elastomers, etc., as well as for fogging testing of automotive front high intensity discharge (HID) lamp.

The method for fogging test is as follows: The automotive interior trim or other specimen is heated in the glass beakers and begins to evaporate; the volatile constituents condense on the glass plate or foil that has been cooled by the cooling chamber. After the cooling process, take off the glass plate or the foil. Through measuring the fogging value or weight of the condensed constituent on the glass plate or foil, and comparing with the data before condensation, the volatility of the specimen can be achieved.

Labthink Instruments, as the leading testing instruments and testing solutions provider, has been focusing on this testing and introduces Labthink PARAM FT-F1 Fogging Tester, and three testing methods, namely, gloss method, fogging method and weighing method.

For more information, please feel free to contact Shirley Wu via (tel)0086-531-85061080.

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