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    About 534,000 results (0.22s) 
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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Antifoams for paper machines are critical chemical additives—typically silicone-based emulsions, fatty alcohols, or glycol-based products—used to eliminate foam and entrained air, which improves drainage, prevents machine deposits, and ensures high-speed production. They are applied in white water systems, coating, and pulping to enhance sheet formation and reduce quality defects. 
    Types of Paper Machine Defoamers 
    • Silicone-Based: Often milky white emulsions, these provide strong, long-lasting foam control, high stability, and are effective at low dosages (
      0.2
      –
      0.8
       kg/tonne of pulp). They are effective for both pulp washing and papermaking, though they can cause oil spots if not emulsified properly.
    • Fatty Alcohol/Non-Silicone: These act quickly to eliminate foam caused by surfactants without affecting sizing (paper strength/water resistance). They are often used in recycling and white water applications.
    • Glycol-Based: Commonly used in specific paper machine applications to manage foaming.
    • Ester-Based: Useful for controlling starchy or proteinaceous foam. 
    Key Application Areas 
    • White Water System: Controlling foam in the water circulation system improves drainage and prevents fiber loss.
    • Pulp Washing: Silicone defoamers or specialized non-silicone products reduce foam, improving washer efficiency and decreasing deposit-forming carryover.
    • Coating Colors: Special formulations are used to prevent coating defects. 
    Benefits of Proper Defoamer Usage 
    • Improved Drainage: Faster water removal leads to higher machine speed.
    • Reduced Defects: Prevents spots, holes, and sheet breaks.
    • System Stability: Prevents bacterial buildup and pump cavitation.
    • Cost Efficiency: Minimizes waste and optimizes chemical usage. 
    For specialized requirements, Applied Material Solutions offers a range of tech-grade and food-grade antifoams, including silicone and non-silicone options. 
    • Defoamers for the Pulp & Paper Industry
      Jun 9, 2020 — Pulp Mill. Utilized in brown stock washing, screen rooms, and bleach plants, pulp mill defoamers are effective at high temperature...
      Applied Material Solutions
    • WO2015075618A1 - Antifoaming agents for the paper industry, based on oil in water emulsions - Google Patents
      WO2015075618A1 is a patent for antifoaming agents for the paper industry. The invention relates to oil-in-water emulsions where th...
      Google Patents
    • Silicone Defoamers: Performance Booster or Risk? - Paper360
      Nov 13, 2019 — Silicone defoamers are a sustainable, robust, reliable, efficient antifoam technology for the pulp and paper industry. They can pr...
      Paper 360
    Show all
    • Defoamers for the Pulp & Paper Industry
      Jun 9, 2020 — Pulp Mill. Utilized in brown stock washing, screen rooms, and bleach plants, pulp mill defoamers are effective at high temperature...
      Applied Material Solutions
    • WO2015075618A1 - Antifoaming agents for the paper industry, based on oil in water emulsions - Google Patents
      WO2015075618A1 is a patent for antifoaming agents for the paper industry. The invention relates to oil-in-water emulsions where th...
      Google Patents
    • Silicone Defoamers: Performance Booster or Risk? - Paper360
      Nov 13, 2019 — Silicone defoamers are a sustainable, robust, reliable, efficient antifoam technology for the pulp and paper industry. They can pr...
      Paper 360
    • Pulp & Paper - Applied Material Solutions
      When paper machines generate foam and entrained air, it adversely affects production rates and paper quality. Defoamers and antifo...
      Applied Material Solutions
    • Antifoam-Pulp And Paper -rickmanchemical.com
      Jan 6, 2023 — Antifoam Mechanism: 1. The spread of the antifoaming agent replaces the foaming molecules on the upperlayer of the foam bimolecula...
      xiamen rickman chemical technology co., ltd
    • What is a defoamer and how does it work in the paper industry
      A defoamer for paper industry applications refers to a chemical additive that reduces and prevents foam formation in industrial li...
      Amazon Chemicals
    • Industrial-Grade Defoamers - Applied Material Solutions
      Sep 13, 2023 — Ester-Based. Ester-based defoamers are specially synthesized for a variety of applications, including paper processing, control of...
      Applied Material Solutions
    • Antifoams & Defoamers - Applied Material Solutions
      These may take the form of silicone antifoams, non-silicone defoamers, or powdered defoamers. * Silicone Antifoams. At AMS, we sup...
      Applied Material Solutions
    • Paper Machine Anti-Foaming Agent for White Water Fiber ...
      Anti-Foaming Agent for White Water & Fiber Processing is a specialized additive designed to control foam in paper recycling and fi...
      www.waterpurifyingchemicals.com
    • Selection of defoamer in papermaking process
      Nov 15, 2023 — Fatty alcohol defoamer is polymerized by special process of fatty alcohol, etc. It can quickly penetrate into the liquid and sprea...
      Nanjing Antifoam Environmental Technology Co., Ltd
    • Understanding Foam and Defoamers in the Papermaking ...
      Preferred defoamer: Silicone-based (milky white emulsion). Advantages: Strong, long-lasting foam control, high stability, minimal ...
      Amazon Chemicals
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    Web results

    Pulp Processing Foam Control & Antifoam for Paper Industry


    ywlchemical.com
    https://ywlchemical.com › antifoam-in-paper-industry
    ywlchemical.com
    https://ywlchemical.com › antifoam-in-paper-industry
    Feb 24, 2026 — This article provides an overview of why effective foam control using specialized antifoams is crucial throughout the pulp and paper value chain.Read more

    Defoamers for the Pulp & Paper Industry


    Applied Material Solutions
    https://appliedmaterialsolutions.com › Blogs
    Applied Material Solutions
    https://appliedmaterialsolutions.com › Blogs
    Jun 9, 2020 — AMS defoamers provide a significant reduction of foam and entrained air, and when properly applied, there is little impact on paper machine sizing.Read more

    Defoamers for pulp and paper processes


    Kemira
    https://www.kemira.com › products › defoamers-for-pu...
    Kemira
    https://www.kemira.com › products › defoamers-for-pu...
    Our complete line of defoamers and de-aerators help effectively control foam and entrained air in all pulp and paper processes.

    Antifoam-Pulp And Paper -rickmanchemical.com


    xiamen rickman chemical technology co., ltd
    https://www.rickmanchemical.com › antifoam-pulp-and-...
    xiamen rickman chemical technology co., ltd
    https://www.rickmanchemical.com › antifoam-pulp-and-...
    Jan 6, 2023 — Defoamers and antifoams from Rickman enable manufacturers to increase productivity and decrease production costs thanks to their defoaming and deaeration ...Read more

    Understanding Foam and Defoamers in the Papermaking ...


    Amazon Chemicals
    https://www.amazon-chem.cn › research-developme › u...
    Amazon Chemicals
    https://www.amazon-chem.cn › research-developme › u...
    3.2 Paper Machine Section. Preferred defoamers: Long-chain alcohol or polyether/polyester types, due to production safety concerns with silicones on paper ...Read more
    Missing: Antifoam ‎| Show results with: Antifoam

    Silicone Defoamers: Performance Booster or Risk?


    Paper 360
    https://paper360.tappi.org › Chemistry
    Paper 360
    https://paper360.tappi.org › Chemistry
    Nov 13, 2019 — Silicone defoamers are a sustainable, robust, reliable, efficient antifoam technology for the pulp and paper industry.Read more

    Paper Machine Anti-Foaming Agent for White Water Fiber ...


    waterpurifyingchemicals.com
    https://www.waterpurifyingchemicals.com › sale-526590...
    waterpurifyingchemicals.com
    https://www.waterpurifyingchemicals.com › sale-526590...
    Anti-Foaming Agent for White Water & Fiber Processing is a specialized additive designed to control foam in paper recycling and fiber treatment processes.Read more
    5.0 · Review by anonymous

    Defoamer or Antifoam: The Difference


    Dominus Paper
    https://dominuspaper.com › Blog
    Dominus Paper
    https://dominuspaper.com › Blog
    Aug 5, 2022 — A defoamer reduces or destroys existing surface foam · An antifoam reduces the air content in the liquid phase and prevents surface foam from ...Read more

    Antifoaming agents for the paper industry, based on oil in ...


    Google Patents
    https://patents.google.com › patent
    Google Patents
    https://patents.google.com › patent
    The antifoaming agents can be used for preventing foam in pulp cooking, in the beating of pa- per stock, in papermaking and in the dispersing of pigments for ...Read more
    People also ask
    What can be used as a defoamer?
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    Explain how defoamers work
    Tell me more about silicone defoamers
    Compare silicone and silicone-free defoamers
    What is a defoamer in the paper industry?
    A defoamer for paper industry applications refers to a chemical additive that reduces and prevents foam formation in industrial liquids. In papermaking, foam can disrupt production, lower product quality, and cause equipment issues.

    What is a defoamer and how does it work in the paper industry


    Amazon Chemicals
    https://www.amazon-chem.cn › research-developme › w...
    Amazon Chemicals
    https://www.amazon-chem.cn › research-developme › w...
    What are the disadvantages of antifoaming agents?
    Disadvantages of Silicone Based Defoamers

    Silicone-based antifoam is relatively poor durability. Silicone is oil soluble, and it reduces the defoaming effects in oil systems. It is not ideal for long-term high-temperature resistance and strong alkali resistance.    Jan 20, 2022

    Advantages and Disadvantages of Silicone Defoamers- NAQ Global


    NAQ Global - Home.blog
    https://naqglobal.home.blog › 2022/01/20 › silicone-def...
    NAQ Global - Home.blog
    https://naqglobal.home.blog › 2022/01/20 › silicone-def...
    What is a good anti-foaming agent?
    Esters and fatty alcohols serve as effective antifoaming agents across various industries, playing a crucial role in defoaming applications.Dec 17, 2025

    Top 10 Antifoaming Agent Examples You Need to Know for Effective Use


    SIXIN
    https://www.sixindefoamer.com › blog › top-antifoamin...
    SIXIN
    https://www.sixindefoamer.com › blog › top-antifoamin...

    Web results

    choice of defoamer for paper making / paper machine


    Shenyang Rise Surface Technologies Co., Ltd.
    https://www.risechemical.com › case › paper-defoamer-c...
    Shenyang Rise Surface Technologies Co., Ltd.
    https://www.risechemical.com › case › paper-defoamer-c...
    AF-2200 product advantages. ①Fast defoaming, avoiding the formation of holes, reducing paper breakage and avoiding the overflow of pulp storage tank. ②Low ...Read more
    People also search for
    Kemira defoamer
    Food grade anti foaming agent
    Non silicone antifoam
    Kemira water treatment chemicals
    Kemira chemicals
    Kemira products

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