dcsimg Case study water bottle

Pure, crystal clear and indispensable

Quality by the bottle

When safe transport and storage of water is required, Makrolon® WB1239 polycarbonate is the ideal material. This special food contact grade was developed specifically for blow molding water bottles. The grade also complies with international standards for food contact and the bottles can be used repeatedly.

Industry: Food Contact
Application: Reusable water bottle
Product: Makrolon® WB1239
Technology: Blow molding

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Look around: everywhere you go – offices, fitness studios, hotel lobbies and department stores, to name a few – water coolers have become commonplace. Managers of these locations want water bottles that are durable, light weight and reusable.

Makrolon® WB1239 polycarbonate from Covestro is formulated specifically for production of high-capacity water bottles which offers several advantages over glass and other materials.

Compared with other thermoplastics, such as polyethylene terephthalate, polypropylene or polyvinyl chloride, Makrolon® WB1239 polycarbonate offers an ideal combination of stiffness, toughness, break resistance and temperature resistance. All these factors combine enable the bottles a long service life.

Weighing just 750 grams, a five-gallon water bottle made from Makrolon® WB1239 polycarbonate is 85 percent lighter than similar size glass bottles. This makes maneuvering the water bottles much easier.

What’s more, the material also fulfills all the requirements placed on polycarbonate for food contact applications worldwide. The bottles are also highly transparent, making it easy to check the fill level and quality of the contents.

Last but not least, water bottles made from Makrolon® WB1239 polycarbonate can be cleaned and refilled up to 100 times or more, allowing drinking water to be efficiently distributed – a key advantage for the water-cooler sector.

 

The main properties of Makrolon® WB1239 polycarbonate are:

  • Suitability for food contact applications
  • High mechanical and impact strength
  • High heat resistance
  • Dimensional stability
  • Excellent transparency
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