Impact Modifiers

Impact modifiers are added to plastic compounded materials to improve the durability and toughness of a variety of plastic resins. The amount of impact modifier added depends upon the level of impact resistance needed for end-use applications.
Explore what are impact modifiers, the different types of impact modification, and how impact modifiers improve the properties of several engineering plastics while retaining the cost/performance balance.

Application:

General-purpose impact modification is a very low level of impact modification which is, for instance, applied to avoid conditioning of molded PA parts.

  • It translates to reasonable room temperature impact strength but does not take into account any requirements for low-temperature (below 0°C) impact strength.
  • For most of this type of applications only low levels of impact modifier will be required (<10%) and the impact modifier does not necessarily have to contain reactive groups to be acceptable for the application.