Water resistance

From Wikipedia, the free encyclopedia

Water resistance may refer to:

  • The WR mark on a wristwatch indicating its ability to withstand exposure to water
  • The IP code on a mechanical or electrical enclosure indicating its ability to resist the ingress of water
  • Wet strength, a measure of the strength of paper when wet
  • Waterproofing, making objects or structures resist the ingress of water under specified conditions
  • Fluid resistance, drag in water
  • Lotus effect (water-resistance in plant leaves)
  • The electrical resistivity of water (0.2 Ω·m sea water, 2 to 200 Ω·m drinking water, 180000 Ω·m deionized water at 20°C)

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