PARALOID EXL-2300 and EXL-3300 Impact Modifiers are all-acrylic core/shell impact modifiers based on butyl-acrylate rubber core. They provide high impact strength at temperatures as low as –10°C and have inherently good heat and UV stability. Other benefits include an excellent part surface finish with a good retention of part rigidity. PARALOID EXL-2300 Impact Modifier is supplied as a free-flowing powder. When supplied as dust-free pellets it is named PARALOID EXL-3300. PARALOID EXL-2300 and EXL-3300 Impact Modifiers are used to improve the properties of polycarbonate but also polyesters, polyamides, and polymer blends including glass fiber reinforced compounds.