QCT

QCT

QCT CONDENSATION TESTER


The QCT condensation tester simulates the damaging effects of outdoor moisture attack by condensing warm water directly onto test specimens. In a few days or weeks, the QCT tester can reproduce the damage due to moisture that occurs over months or years outdoors.
The QCT tester is fast, easy to use and affordable. It uses 100% condensing humidity to simulate and accelerate damage caused by rain and dew on metals, paints, and organic materials. It accelerates over natural exposures by increasing moisture temperature. The QCT tester replaces water immersion and ordinary (non-condensing) humidity tests.
The QCT condensation tester is used in thousands of labs in over 50 countries. It is the simplest, most reliable, and easiest to use condensation tester available.

The QCT tester uses 100% condensing humidity to simulate and accelerate damage caused by dew on metals, paints, and organic materials.  It accelerates over natural exposures by increasing moisture temperature.
The QCT tester requires only ordinary tap water.  This is because the tap water becomes pure distilled water in the process of evaporation from the water pan and condensing onto the specimens.
The tester's innovative design utilizes room air cooling to create a temperature differential across the thickness of the specimens.  This temperature differential is a necessary element for condensation to occur.  It is important to note that the QCT tester is fundamentally different  from a typical humidity tester

Standards
The QCT tester conforms with several standards, including:

ASTM D4585, Testing Moisture Resistance of coatings with Controlled Condensation

ISO 6270-1, Paints and Varnishes - Humidity (Continuous Condensation)

BS 3900, Part F9, Determination of Resistance to Humidity (Continuous Condensation).

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