Raw materials such as hygroscopic polymers, fillers, and pigments can be moisturized and affect the quality of finished products. That’s why manufacturers need to use desiccant masterbatch to eliminate moisture in virgin and recycled LD, LLDPE, HM, PP etc.
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Reprocessing of polymer also can lead to high moisture. When processing polymer with high moisture content the polymer can become porous and show voids/lower tensile in the final articles or extruded/blown sheet. In film applications, the high moisture content can lead to film bubble breakage.
CPI PLASTIC Desiccant Masterbatch is highly recommended for the use as additives for the transformation of recycled polymers (especially post-consumption materials), but also for virgin polymers (storage problems, or hygroscopic polymers) that require a prior slow/costly drying process.
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CPI PLASTIC Desiccant Masterbatch concentrates bind moisture during the processing of plastic materials. The active ingredient in these masterbatches reacts chemically with water molecules and effectively removes them from the system. Desiccant masterbatch may be effective for products produced with hygroscopic materials where lensing (fish eyes) can be a problem. Moisture absorbing masterbatches are useful to reduce lensing after storage of raw materials in high humidity areas. Concentrates containing a desiccant may be able to bind up to 20% of the masterbatch weight; but in practice, the binding ability will be lower.
It improves productivity, overall strength and reduces cost. It is widely used for recycling Carry Bag, Tarpulins, Moulded Furniture, Mulch Films recycled plastic of PP, PE and PS during molding and Blowing process.
The active ingredient in these masterbatches can react chemically with water molecules and effectively remove them from the system.
When processing polymer with a high moisture content the polymer can become porous and show voids in moulded articles or extruded sheet.
In film applications the high moisture content can lead to lensing and film bubble breakage.
Our desiccant offers a simple and cost effective solution to solve moisture problems.