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Corian

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Corian

DuPont Corian Solid Surface

Corian is the brand name for a solid surface material created by E. I. du Pont de Nemours and Company (DuPont). It is the original material of this type, created by DuPont scientists in 1967.[1]It is composed of acrylic polymer and alumina trihydrate (ATH), a material derived from bauxite ore. Its primary use is as a countertop/benchtop surface, though it has many other applications.

Corian is manufactured in three thicknesses: 6 millimetres (0.24 in), 12 millimetres (0.47 in), and 19 millimetres (0.75 in). Most Corian is manufactured at a DuPont facility near Buffalo, New York.[2]

Cross-section cuts show consistent color and particulate patterning evenly distributed throughout the material, giving rise to the category name “Solid Surface.”

It must be sold and installed by a DuPont certified fabricator and such installations come with a 10-year warranty covering both product and installation, for interior residential applications.[3]

Contents

  • History 1
  • Product lines 2
  • Material characteristics 3
  • Competitors 4
  • Safety 5
  • References 6
  • External links 7

History

Legacy Product Logo

Dr. Donald Slocum, a DuPont chemist, is credited as the inventor of Corian solid surface in 1967.[4] His name appears on the patent issued in October 1968.[5] A “Space Age” material, the product has evolved since its invention and spawned many imitations. The product was first introduced for sale in 1971, at the National Association of Home Builder’s meeting in Houston, Texas.[1]

Originally conceived as a kitchen/bath material available in a single color, Corian is available today in more than 100 colors.[6] In the years subsequent to its market debut, DuPont introduced “integrated” Corian sinks that could be seamlessly integrated with a Corian countertop in a kitchen or bathroom.

Integrated Corian sink

In 2013, the company announced its Endless Evolution initiative in an effort to improve the material and find additional applications for its use.[7]As part of this initiative, in 2014 DuPont introduced its "Deep Color" technology which was showcased in its “Corian 2.0” exhibition during Milan’s Design Week.[8] The enhancement allows for the material to be created in deeper, darker colors that are more resistant to scratches and cuts than earlier generation Corian material.[9]

Product lines

Corian samples

DuPont has issued various sub-branded releases of the material which contain unique design elements and/or methods of manufacture. Notably these have included:

  • Corian Private Collection: First colors introduced in 2002; This product line is inspired by the randomness of patterns found in nature. Some colors and patterns in this product line resemble stone and other natural materials and all colors have complex non-repeating patterns not found in other Corian products.[10]
  • Martha Stewart Living Collection samples
    Corian Terra Collection: First colors introduced in the 2000s; This product line contains between 6-20% recycled content.[11]
  • Corian Illumination Series: First colors introduced in 2007; This product line is semi-translucent allowing for new designs calling for backlit applications.[12]
  • Corian Metallics Series: First colors introduced in 2010; This product line contains particulate of gold and silver fleck to give the product a metallic appearance. This creates a depth that simulates movement and variation of color when the same installation is viewed from different angles.
  • Martha Stewart Living Collection: First colors introduced in the United States in 2010; This product line is a collection of colors created by home improvement celebrity Martha Stewart.[13]
  • Corian DeepColor Technology: First colors introduced in 2013; This product line uses new "Deep Color" technology to produce darker, more scratch-resistant colors.

Material characteristics

Corian being engraved for signage

Corian is:

  • Non-porous
  • Stain resistant
  • Seamless: In the fabrication process, joints can be made invisible by joining the relevant pieces with Corian's own color-matched two-part acrylic epoxy. The pieces are clamped tightly together in order to express any excess adhesive. After the adhesive dries, the area is sanded and polished to create a seamless joint. This seamless appearance is a signature characteristic of the material.[14]
  • Repairable and renewable: Cuts and scratches can be buffed out with a Scotch-Brite pad or orbital sander.
  • Thermoformable: Flexible when heated, Corian can be shaped and molded into generally limitless forms which can be used in commercial and artistic projects through a process called thermoforming.

Heat resistance: the material is heat resistant up to 100 °C (212 °F), but can be damaged by excess heat. DuPont recommends the use of trivets when the material is installed in kitchens.[15]

Scratches: The material can be scratched, with scratches particularly noticeable on darker colors. Most damage or scratches are repairable, however.

"Walking Table" made of thermoformed Corian

Competitors

Corian is a type of premium decorative surface.[16] The expiration of DuPont’s patent on solid surfaces helped facilitate a number of direct solid surface competitors to Corian.

Major competing brands include:

Corian also competes at a price point similar to other Premium Decorative Surfaces. Other notable non-solid surface competitors include:

Safety

Safety of installed material: Corian meets or exceeds current emissions guidelines for [17]

Fabricator Safety: In 2014, the New England Journal of Medicine reported a case of a 64-year-old exercise physiologist who died from lung disease consistent with idiopathic pulmonary fibrosis after 16 years of exposure to Corian dust. Dust from Corian was found in the patient's garage and lung upon autopsy. The authors said that the case was consistent with Corian dust causing idiopathic pulmonary fibrosis, but did not prove causality.[18] DuPont scientists responded that exposure to other materials could not be ruled out.

References

  1. ^ a b DuPont Corian Story (online).  
  2. ^ Carey, Elizabeth (October 10, 2013). "Buffalo: Corian Capital of the World". Buffalo, NY:  
  3. ^ "The Corian Warranty and Zodiaq Warranty—Backed by DuPont". DuPont. Retrieved June 28, 2014. 
  4. ^ "Dr. Donald Slocum". Obituaries.  
  5. ^ "The Birth of Solid Surface". Retrieved June 28, 2014. 
  6. ^ "The Colors of Corian". DuPont. Retrieved June 28, 2014. 
  7. ^ Endless Evolution" Initiative in Europe Middle East and Africa"'". Saudi Projects Magazine. Retrieved June 28, 2014. 
  8. ^ "Corian 2.0 Dynamic and Evolutionary Interior Design". DuPont. Retrieved June 28, 2014. 
  9. ^ "DuPont Corian launches DeepColour Technology to Develop Dark Colours for Solid-Surface Material". dezeen magazine. February 11, 2014. Retrieved June 28, 2014. 
  10. ^ "Corian Private Collection Product Training". 2002. Retrieved June 28, 2014 – via Docstoc. 
  11. ^ "Achieve Sustainable Design Without Compromising Performance". DuPont. Retrieved June 28, 2014. 
  12. ^ "DuPont Corian Illumination Series April 2008 Update" (PDF). Retrieved July 13, 2014. 
  13. ^ Stewart, Martha (October 2, 2010). "Launching My New Kitchen Line With The Home Depot". The Martha Blog. Retrieved June 28, 2014. 
  14. ^ "Corian: 40 Years, 40 Designers" (PDF). DuPont. April 2007. Retrieved June 28, 2014. 
  15. ^ "Technical Specs for Corian Countertops". Retrieved June 28, 2014. 
  16. ^ Hetherman, Mike (December 22, 2013). "Top Stories of 2013 Countdown: #10—Ending Consumer Confusion in the Countertop Business". Retrieved June 28, 2014. 
  17. ^ "Earn LEED Certification Points with DuPont Surfaces". DuPont. Retrieved June 28, 2014. 
  18. ^ Raghu, Ganesh; Collins, Bridget F.; Xia, Daniel; Schmidt, Rodney; Abraham, Jerrold L. (May 29, 2014). "Pulmonary Fibrosis Associated with Aluminum Trihydrate (Corian) Dust". New England Journal of Medicine 370 (2): 2154–2157.  

External links

  • Official website
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