Accelerated Programmable Salt Spray Machine , Cyclic Corrosion Temperature Test Chamber 

ASTM B117 Accelerated Programmable Cyclic Corrosion Salt Aging CCT Test Chamber

Brief Introduction:

Cyclic corrosion testing simulates the closet actual natural environment, such as salt spray, drying, humidity and temperature alternating. The testing is strict than natural environment, and can be programmed or tested individually.

It is widely used to test corrosion resistance of automotive, paint, surface coating, chemical, aerospace, electronic, car industry, offshore and defense industries.

Cyclic Corrosion Testing (CCT) has evolved in recent years, largely within the automotive industry, as a way of accelerating real-world corrosion failures, under laboratory controlled conditions. As the name implies, the test comprises different climates which are cycled automatically so the samples under test undergo the same sort of changing environment that would be encountered in the natural world.

Consequently, cyclic tests usually give better correlation to outdoors than conventional salt spray tests. They are effective for evaluating a variety of corrosion mechanisms, including general, galvanic and crevice corrosion.

Cyclic corrosion testing is intended to be a more realistic way to perform salt spray tests than traditional, steady-state exposures. Because actual atmospheric exposures usually include both wet and dry conditions, it makes sense to pattern accelerated laboratory tests after these natural cyclic conditions. Research indicates that, with cyclic corrosion tests, the relative corrosion rates, structure and morphology are more similar to those seen outdoors.

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