Gates Belts & Applications - Tips and guidelines written by Gates Industrial Engineers

Synchronous Belts & Exposure To Water

Tuesday, July 5, 2011

posted by Dan at 12:51 PM

Light and occasional contact with water (occasional wash downs) should not seriously affect synchronous belts in general. Prolonged contact (consistent spray or submersion) can result in significantly reduced tensile strength in fiberglass belts, and potential length variation in aramid belts.

Prolonged contact with water also causes rubber compounds to swell, although less than with oil contact. Internal belt adhesion systems are also gradually broken down with the presence of water. Additives to water such as lubricants, chlorine, anti-corrosives, etc. can have a greater detrimental effect on belts than pure water.

Poly Chain GT Carbon belts use polyurethane compound and carbon fiber tensile materials that are both very resistant to water. Poly Chain GT Carbon belts can withstand prolonged contact with water without detrimental effect.

Sprockets operating in the presence of water may be vulnerable to rust and corrosion unless resistant materials or coatings are used. Sprocket corrosion can result in accelerated belt wear and tension loss. These can both shorten belt life significantly. For assistance in the design and acquisition of rust and corrosion resistant sprockets and bushings, contact Gates Made-To-Order Metal team.

Polyurethane compounds and carbon fiber tensile materials help Gates Poly Chain GT Carbon belts withstand prolonged contact with water without detrimental effects.

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