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    A man wearing protective goggles stretches a clear piece of plastic.
    Polymer Processing Challenges? We’re Here to Help.

    3M™ PPA Application Engineers want to hear about what you’re working on. If you’ve got challenges related to processing extruded materials, we want to help. For information, advice and collaboration, contact a 3M Technical Specialist. 

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    3M™ Dynamar™ Polymer Processing Additives (PPA)

    • 3M™ Dynamar™ Polymer Processing Additives have helped manufacturers improve both quality and output for a variety of extruded products – from the plastic bottles and bags in your cupboard to construction materials like pipe, cable and even artificial grass. Dynamar PPAs are effective at low use levels (100–1000 ppm), so just a small amount can reduce common processing issues like die build-up and melt fracture. That results in better surface quality, less waste, increased productivity, and a smoother extrusion process from start to finish.


      Dynamar PPAs have been widely used in blown and cast film processes, pipe and sheet extrusion, cable, fiber and monofilament extrusion, blow molding and compounding. They work by creating a low surface energy coating on the die surface. This allows the melt to slip through the die more freely and more easily, without sticking.


      See some of the many ways you could benefit from the use of Dynamar PPAs:

      • Reduce or eliminate melt fracture

      • Reduce die build-up

      • Improve processing of high viscosity polymers

      • Reduce gel formation

      • Reduce interfacial instability in multilayer films

      • Improve color changeover

      • Improve gloss and surface smoothness

    Find the right PPA for you

    • Proper PPA selection can make all the difference, but it is not always easy. A difference in only a few hundred parts per million (ppm) usage level can have a big impact on your operations. By entering a few quick details about your application, we can help you narrow the choices to products that are likely to be most suitable for your application. Then connect with a 3M technical expert to discuss your needs and make sure you are set up for success the first time.

    PPA Applications

    • A machine uses a blown film extrusion process with 3M™ Dynamar™ PPAs to wrap a bouquet of tulips.
      Blown Film

      Your one-stop shop for processing solutions. 3M™ Dynamar™ PPAs add value to your blown film extrusion processes by enabling you to produce defect-free film while maximizing processing efficiency and minimizing your cost and risk.

    • Reduction of die build-up in cast film extrusion: “Without PPA” shows die build-up, while “With PPA” shows no build-up.
      Cast Film

      Die build-up, gauge variation, and gels can be significant impediments affecting your productivity in cast film process. Find out which 3M™ Dynamar™ PPAs can help you take down die build-up and other common problems.

    • Three blow-molded containers in blue, yellow and red demonstrate high surface quality.
      Blow Molding

      Be the reason your customers’ products shine. Enable your customers to create products that stand out with improved surface quality while increasing their productivity by reducing melt temperature, melt pressure and cycle time.

    • A black and blue pipe contains several pieces of smaller pipe and tubing, showing quality pipes and tubes made with PPA.

      Whether you are manufacturing pipe and tubing from UHMW HDPE, LDPE, PP or PVC for floor heating, irrigation, gas and water high pressure or other applications, we have solutions to improve gloss, reduce extrusion pressure and surface defects without compromising your product durability.

    • Bundles of thick wires with colorful jacketing have a consistent surface finish.
      Wire & Cable

      Spool more with 3M™ Dynamar™ PPA. Eliminate die build-up, accelerate color transitions and provide wire and cable jacketing with consistent surface finish.

    • Three piles of yellow, blue and red plastic pieces have even pigment dispersion and concentrated color.
      Concentrate Compounding

      A sprinkle of 3M™ Dynamar™ PPA to flood your world with color. Whether you are producing white concentrates, carbon blacks, masterbatches, or a custom compound for color matching, Dynamar PPAs can help maximize your productivity by improving pigment dispersion, reducing color changeover time and enabling you to produce high quality concentrates and masterbatches.

    • Fiber Extrusion Monofilament
      Fiber Extrusion & Monofilament

      When time is of the essence and you are confined to small diameter dies, you need reliable solutions to maintain high productivity. Dynamar PPAs can keep things running smoothly by reducing die build-up, die plugging and strand breakage.

    • blue mesh

      Don’t see the application you are looking for? Our experts are well versed in polymer processing and want to help you solve your processing challenges and add value whatever your application may be.
      Contact us to discuss your application.

    Benefits of PPA

    • Yellow flower petals are seen through cloudy, rippled plastic without PPA, and clear, flat plastic with Dynamar™ PPA.
      Avoiding melt fracture

      Often called “sharkskin,” melt fracture can be a real sticking point in the extrusion process. This surface defect occurs when the polymer sticks to the die wall rather than sliding smoothly through the die. It not only limits throughput, but also detracts from the smoothness and appearance of extruded plastic films. 


      While increasing the die gap can help minimize melt fracture by reducing shear, narrow die gaps are often more desirable, as they provide improved bidirectional film properties, gauge control, bubble stability and optics. Dynamar PPAs can reduce or eliminate melt fracture even at extremely low use levels and in narrow die configurations.

    • A die surface has waxy deposits of blue die build-up.
      Bypassing die build-up

      During extrusion, waxy deposits known as die build-up can accumulate on the die surface. This can disrupt productivity and cause visible surface irregularities. This issue gets worse over time, to the point where the extrusion process must be stopped in order to clean the die.


      Dynamar PPAs can help keep your extrusion processes running smoothly. These specialty additives have proven to reduce die build-up in a wide range of polymers, including LDPE, PP and many non-olefin polymers.


    Contact us if you need product, technical or application advice or want to collaborate with a 3M Technical Specialist.


    Call 800-810-8499 (7 AM-4:30 PM Central)


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