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World’s First Semi-crystalline & Semi-transparent Polyamide by BASF

Published on 2017-10-11. Author : SpecialChem

Semi-crystalline Polyamide That Allows Light to Pass Through Largely Unhindered
Semi-crystalline Polyamide That Allows Light to Pass Through
Largely Unhindered
BASF has now succeeded in developing a semi-crystalline polyamide that allows light to pass through largely unhindered.

Ultramid® Vision - Semi-transparent Polyamide

  • Ultramid® Vision combines very high light transmission with low light scattering. This makes it the world’s first semi-crystalline polyamide for semi-transparent or transparent components in chemically challenging environments. 
  • The unique polyamide is UV and temperature resistant, scratch-proof as well as suitable for flame-retardant requirements. 
  • Ultramid® Vision can be used in various application fields: It recommends itself especially for parts for visual check, illumination or light design. 
  • Ultramid® Vision presents a versatile alternative to commonly used materials such as amorphous aliphatic polyamides, polycarbonate or styrene-acrylonitrile copolymers. 

The new polyamide is globally available for sampling.

Properties That Are Plain to See

Ultramid® Vision has physical and thermal properties which are similar to conventional unreinforced polyamide 6 compounds. However, it stands apart from these compounds significantly thanks to its exceptional visual properties. While semi-crystalline standard polyamides are nearly opaque, that is visually hazy, at a wall thickness of only one millimeter, one can see easily through parts made of Ultramid® Vision at wall thicknesses of up to several millimeters. Even if components made from Ultramid® Vision are exposed to elevated temperatures and moisture, the haze and transmission values hardly change compared to being freshly molded.

Key Properties

Ultramid® Vision offers a compelling choice compared to alternative transparent and semi-transparent materials thanks to its balanced property profile of good mechanics and processability together with high temperature, scratch and chemical resistance at an attractive price level.
  • It has outstanding UV resistance and is also suitable for applications involving direct exposure to sunlight. 
  • The UV resistance was tested both for indoor use and under outdoor weathering conditions using conventional accelerated weathering tests. 
  • Ultramid® Vision also shows excellent stress cracking resistance to sun screen, cleaning agents and solvents as well as fats and oils.

Semi transparent PA

For a Sophisticated Look in Many Industries

In addition to the uncolored base grade Ultramid® Vision B3K un, there is the option of producing specially equipped products featuring diffuse light scattering along with high transmittance. Customers can also obtain specially colored grades. Alternatively, Ultramid® Vision can be colored with polyamide-based color masterbatches which can be procured from e.g. BASF Color Solutions. In addition, the highly light-permeable Ultramid® Vision can be combined with other polyamide materials in a multi-component injection-molding process. This leads to easy production of multifunctional parts with transparent or illuminated sections.


Ultramid® Vision is particularly suitable for applications requiring a visual check, e.g. level indicators.
  • The new polyamide can also be used for shockproof and chemically resistant covers for lighting elements. 
  • Further application areas include back-lit switches and buttons or diffusely scattering light covers in chemically aggressive environments. 

Because of the virtually unlimited scope for coloring Ultramid® Vision with low-migration and lightfast colorants, luminous color effects can be achieved that offer a wide range of design possibilities for creating design objects or design features.

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Source: BASF
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