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Exfola™ Surface Modifier

Exfola™ is an additive for polyolefin, such as polyethylene (PE) and polypropylene (PP), that combines the characteristics of polyolefin and silicone. Exfola™ is most often used as a surface modifier for injection molded parts, or extruded articles and film. Enhanced surface properties include:

  • Releasability
  • Water Repellency
  • Oil Repellency
  • Lower Coefficient of Friction
  • Abrasion Resistance
  • Surface Smoothness

genuine tri-block polymer

Exfola™ is widely used as a surface modifier of polyolefin film, sheet, containers, and packages. The product is available in pellet form, and in two types:

  • Polyethylene-based (PE) Masterbatch
  • Polypropylene-based (PP) Masterbatch

Block Polymer of Polyolefin and Silicone Units

Exfola™ is a genuine tri-block polymer in which polyethylene (PE) units and the silicone unit are combined by covalent bonds. The PE block of Exfola™ ensures compatibility in either a polyethylene-based (PE) or polypropylene-based (PP) masterbatch.

The proper selection of either PE-based masterbatch or PP-based masterbatch enables Exfola™ to bond exceptionally well with injection molded polyolefin parts, and with extruded articles and films. The silicone block allows Exfola™ to offer astonishing surface modifications including oil and water repellency, low coefficient of friction, and “releasable film” properties.

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