Intertek Caleb Brett
 
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Optical surface testing

Optical characteristics and surface properties testing of plastics

Intertek polymer testing center offers state of the art testing capabilities for optical characteristics and surface properties testing. Optical properties like gloss, colour and transparency are important for plastics used in packaging, foodpackaging, automotive, commercial electric and consumer goods.

Testing can indicate changes in surface caused by processing, after-treatment, weathering, light and temperature-induced ageing.Sample materials tested include plastic articles, plastic plates, sheet, cast film, powders and granulates.

           

   
Test methods for optical & surface properties
  • ASTM D2457 (refractometry) Gloss determination
  • ASTM D1003 - Haze (wide-angle scattering)
  • ASTM D1003 - Light transmission
  • DIN6174, DIN5033, ASTM E313, ASTM D1925, ASTM D6290 Testing colours of plastics accoring to CIE-lab specs
    L,a, b - value, Yi yellowness index , Wi whiteness index
  • Birefringence Testing of Polymers
Optical characteristics and surface properties of polymers
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Optical Characteristics in Polymers and Plastics Contact or Email for more information
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