Sun Protective Clothing - Fabric

Fabric

Factors that affect the level of sun protection provided by a fabric, in approximate order of importance, include weave, color, weight, stretch, and wetness. In addition, UV absorbers may be added at various points in the manufacturing process to enhance UV protection levels. The more open/less dense the fabric, the worse the protection(weave weight stretch).The darker the color, the more dye, the better the protection. Getting a fabric wet reduces the protection as much as half except for silk and viscose which can get more protective when wet. Polyester contains an ester(benzene) ring that absorbs UV light.

There is some indication that washing fabrics in detergents containing fabric brighteners, which absorb UV radiation, might increase their protective capability. Studies at the University of Alberta also suggest that darker colored fabrics can offer more protection than lighter colored fabrics.

Provide better protection:

  • Specially manufactured fabrics
  • ZnO Cotton Viscose fabrics
  • black or dark blue denim jeans
  • wool garments
  • Satin finished silk of any weight
  • polyacrylonitrile
  • 100%polyester
  • Shiny polyester blends
  • tightly woven fabrics
  • unbleached cotton(most cotton sold is bleached)

Provide low protection:

  • polyester crepe
  • bleached cotton
  • viscose
  • knits
  • undyed/white jeans
  • worn/old fabric

Read more about this topic:  Sun Protective Clothing

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Famous quotes containing the word fabric:

    Here [in London, history] ... seemed the very fabric of things, as if the city were a single growth of stone and brick, uncounted strata of message and meaning, age upon age, generated over the centuries to the dictates of some now all-but-unreadable DNA of commerce and empire.
    William Gibson (b. 1948)

    Our revels now are ended. These our actors,
    As I foretold you, were all spirits, and
    Are melted into air, into thin air.
    And, like the baseless fabric of this vision,
    The cloud-capped towers, the gorgeous palaces,
    The solemn temples, the great globe itself—
    Yea, all which it inherit—shall dissolve
    And, like this insubstantial pageant faded,
    Leave not a rack behind. We are such stuff
    As dreams are made on, and our little life
    Is rounded with a sleep.
    William Shakespeare (1564–1616)

    It is not a piece of fine feminine Spitalfields silk—but is of the horrible texture of a fabric that should be woven of ships’ cables & hausers. A Polar wind blows through it, & birds of prey hover over it. Warn all gentle fastidious people from so much as peeping into the book—on risk of a lumbago & sciatics.
    Herman Melville (1819–1891)