Frequently Asked Question

Corrosion
Last Updated 4 years ago

Corrosion is a natural process that converts a refined metal into a more chemically-stable form such as oxide, hydroxide, or sulfide. It is the gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment.

All metals can corrode. Some, like pure iron, corrode quickly. Stainless steel, however, which combines iron and other alloys, is slower to corrode and is therefore used more frequently.

Corrosion can also occur in materials other than metals, such as ceramics or polymers, although in this context, the term "degradation" is more common.

Source: https://en.wikipedia.org/wiki/Corrosion

Most of DIS sensors have plastic housing or plastic cable with good chemical/corrosion resistance. Our stainless steel housing can even withstand seawater.

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Optionally we can make QG65 and QG65N with Stainless steel connectors(1.4404 AISA 316L), or with plastic gland and cable output, so all plastic, so no corrosion.

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However, synthetic plastics can be sensitive to high temperatures, UV and some chemicals, depending on the material. PVC may discolor at high temperatures due to loss of hydrogen chloride gas, and become very brittle. PET is sensitive to hydrolysis and attack by strong acids, while polycarbonate depolymerizes rapidly when exposed to strong alkalis.

Source:https://en.wikipedia.org/wiki/Polymer_degradation



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