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Industry News | Time: Oct 11 2017 10:31AM
BASF develops first semi-transparent polyamide
 
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BASF has now succeeded in developing a semi-crystalline polyamide that allows light to pass through largely unhindered. 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. Moreover, 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 from now on.

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.

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.

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.

Source: BASF
[RISK DISCLAIMER] All opinions, news, analysis, prices or other information contained on this report is provided by analyst of Zhejiang Huarui Information Consulting Co., Ltd (CCFGroup) as general market commentary and does not constitute investment advice. CCFGroup will not accept liability for any loss or damage, including without limitation to, any loss of profit, which may arise directly or indirectly from use of or reliance on such information.
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