INEOS Styrolution Zylar® 631 Product Guide

Zylar® 631 belongs to INEOS Styrolution portfolio of MBS materials. Zylar® 631 offers a good balance of stiffness and toughness. A medium impact strength grade that offers good surface hardness, without compromising on clarity.

What is Zylar® 631?

  • Zylar® 631 belongs to Ineos Styrolution portfolio of MBS materials.
  • Zylar® 631 offers a good balance of stiffness and toughness. A medium impact strength grade that offers good surface hardness, without compromising on clarity.
  • Zylar® 631 is the material of choice for a wide range of applications from pen barrels to tool handles.
  • Zylar® 631 provides outstanding clarity and good dishwasher resistance, which makes it suitable for dinnerware and drinkware applications.
  •  It also excels in applications such as medical tray racks, syringe valves, appliances, vacuum cleaner parts, office accessories and household tools.
  • Zylar® 631 is FDA compliant and is included into the Essential HD package1.
  • Zylar® 631 has a lower density compared to other clear impact resins, making it a cost-effective option. In addition to ease of processing, the reduction in cycle time and energy costs contribute to better resource efficiency.

What is MBS?

MBS (“methyl methacrylate butadiene styrene”) are impact resistant acrylic polymers offering practical toughness, and superior processing compared to alternatives such as impact acrylics, polycarbonate and thermoplastic polyesters.

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