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For paper mills to fully harness the benefits of Cationic Rosin Size, understanding its correct application and handling is crucial. NINGBO INNO PHARMCHEM CO.,LTD. provides guidance on best practices to ensure optimal performance, cost-effectiveness, and consistent results in paper production.
The primary method of application for Cationic Rosin Size involves introducing it into the wet end of the papermaking process. For better dispersion and even distribution, it is recommended to dilute the concentrated product with clarified water before addition. The optimal dilution ratio can vary, but a common approach is to dilute it to 3-5 times its original volume.
The recommended point of addition is typically before the fan pump, ensuring that the sizing agent has sufficient time to interact with the pulp fibers before reaching the headbox. Continuous and controlled addition via a metering pump is ideal for maintaining consistent sizing levels throughout the paper web. Alternatively, the Cationic Rosin Size can be added along with aluminum sulfate (alum) after the pressure screen. The exact dosage will depend on factors such as the type of pulp, desired sizing level, and other chemicals used in the process, but generally ranges from 0.3% to 1.5% of the absolute dry fiber weight.
Maintaining the correct pH is vital for the efficacy of Cationic Rosin Size. The recommended sizing pH is typically between 4.5 and 6.5, with the pH of the white water under the wire ideally controlled between 5 and 6.5. This pH range facilitates the proper interaction between the cationic rosin and the pulp fibers, as well as any co-added chemicals like alum.
Storage recommendations are also important to preserve the product's quality and shelf life. Cationic Rosin Size should be stored in a dry, ventilated, cool warehouse, protected from frost and direct sunlight. It is also advisable to avoid contact with strong alkalis to prevent any adverse chemical reactions.
For papermakers looking to buy cationic rosin size, understanding these usage methods is key to unlocking its full potential. By following these guidelines, mills can ensure that they achieve the 'less dosage, perfect effect' advantage, leading to improved paper quality, enhanced paper printability, and greater operational efficiency. NINGBO INNO PHARMCHEM CO.,LTD. is a trusted supplier offering high-quality solutions and technical support to meet the diverse needs of the paper industry.
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