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Product Images

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Product Details

During plastic processing, trace moisture in raw materials causes surface defects such as water marks, gas streaks and spots on products, and even affects the forming process of extruded sheets, pipes and films. Many enterprises use drying equipment to remove moisture, which wastes energy and labor and increases costs. To address this, our company developed plastic water-absorbent masterbatch (commonly known as defoamer). Using the strong water absorption property of calcium oxide, it is made into masterbatch. Simply mix it evenly with raw materials to eliminate moisture without adjusting the production process, with no adverse effects on physical and mechanical properties, saving time and energy, improving efficiency and reducing costs.

Application: Widely used in film products, drawing products, sheet products, extruded pipe products and injection-molded products.

Dosage: Mix evenly with damp plastic raw materials before processing. General addition ratio is 2%~6%. Adjust according to the moisture condition of the plastic.

Usage: Mix evenly with damp plastic raw materials before processing. General addition ratio is 2%~6%. Adjust according to the moisture condition of the plastic.

Product Specs

Parameters

  • High dispersion and compatibility, long-lasting effectiveness.
  • Compatible with PP, PE, ABS, PVC, PS and other plastics.
  • Differences from traditional plastic defoamers:
  • (1) Traditional defoamers have short effective time, failing after 8 hours of air exposure; our product has long effective time, surface powdering after 48 hours but still usable.
  • (2) Traditional defoamers have poor dispersion causing mesh clogging, using recycled plastic carriers that may contain PA, PC and other high-temperature impurities affecting quality stability; our product uses self-developed modified resin carrier, no clogging and stable quality.
  • (3) After natural water absorption: traditional defoamers turn white and harden into stone-like particles that cannot disperse in extruders, clogging filter screens and causing material waste; our product turns white and powders completely, and the calcium oxide powder surface is covered with a network-tough coating, preventing agglomeration, easy to disperse without clogging.