Paper Machine Defoamers

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    Tune your paper machine defoamer program to match current packaging process needs

    Colliding pressures are putting incredible strain on your papermaking process and equipment: sustainability concerns around water and energy use; the growing trend of lightweighting packaging pitted against inconsistent fiber sources (e.g., mixed waste); and having to run machines faster to meet increasing demand. To compensate for unstable operating conditions, many companies adjust chemistries like strength resins and defoamer, but when unexpected variations happen, there’s no consistent response.

    One operator might see foam and increase defoamer usage, while another sees nothing and dials defoamer back to save costs. In either case, they don’t see it as a critical application—they’re focused on other things. But these subjective responses create more variability: too much defoamer increases chemistry costs and leads to downstream runnability and quality issues; too little means less drainage, fiber loss, and machine deposits.

    Managing this vicious cycle puts broader value streams at risk: you run slower, your end product suffers, and you burn excess energy and resources.

    It’s critical to realize that defoamer doesn’t just knock down foam; it influences your entire process ecosystem, which means it must be applied in more strategic ways. Doing this means understanding how different defoamers perform and tuning a program for evolved needs; optimizing how you apply it, so you can attack surface foam and entrained air without unintended side effects; and continually monitoring and adjusting your program to stabilize your process at scale. When you do this, you’ll right-size chemistry usage and costs, reduce defects and meet lightweighting goals, and run your machines at optimal speeds and temps—without needing excessive cleaning or downtime. As a result, you’ll be positioned to continuously improve operations as you pursue larger sustainability goals.

    Production demands exceed current defoamer’s capabilities

    Tune your defoamer program for evolved needs

    When production demands have outstripped your current defoamer’s capabilities…

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    See how defoamers perform in your unique conditions

    As you push your process to keep up with demand, how can you be sure your defoamer will keep up?

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    Upgrade your air control for new dynamics

    Using more defoamer than you should can throw your entire process out of balance…

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    Operational changes cause performance drift over time

    Continually optimize your defoamer application and process

    When operational changes impact your papermaking process, your defoamer strategy…

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    Use hidden correlations to predict system upsets

    Use a scientific approach to show impacts individual variables have on your papermaking process…

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    Proactively adjust your defoamer program for CI

    If change is constant in papermaking, why do many mills set up static defoamer programs?

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    Chasing variability limits improvement possibilities

    Stabilize your papermaking process

    Our sonar-based entrained air monitoring and closed-loop control technology helps you automate…

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    Connect real-time entrained air levels to efficiency and quality measures

    Entrained air is a variable that can mask other issues in your papermaking process, impacting…

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    Automate defoamer application to maintain centerlines

    With stock quality and grade requirements changing multiple times per shift, your operators are…

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