Ampacet desiccant 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 masterbatches 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.
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Desiccants also prevent issues linked to high moisture content of recycled polymers, allowing higher use of post-consumer recycled resins.
Common Ampacet desiccant masterbatches include a 50-70% water scavenging compound in PE or PP.
As the name suggests, Desiccant masterbatch is an advanced functional masterbatch developed to solve the moisture problem. A desiccant is a substance designed to eliminate humidity and enhance extrusion and injection processes. A desiccant masterbatch gives a complete solution to the processor so as to reduce or remove undesired moisture.
Moisture can be present in raw materials such as hygroscopic polymers, fillers, and pigments.This masterbatch is used in eliminating moisture in virgin and recycled LD, LLDPE, HM, PP etc.
Desiccant masterbatch is suitable for blown film extrusion, injection molding, and blow molding processes. It is used directly by mixing the masterbatch and the damp plastic material uniformly.
Moisture Absorber Masterbatches are provided in granular or pellet form with a high concentration of active agents and excellent dispersion into the end product. Benefits of using this product include avoiding problems during the process such as : fisheyes, holes, and grooves.
Desiccant masterbatch can counter problems that develop during the processing of plastics due to the presence of moisture and prevent adsorption of moisture during transportation Moisture can be present in raw materials such as hygroscopic polymers, fillers, and pigments. Reprocess polymer can also have high moisture content. 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.
Desiccant masterbatch chemically binds moisture during processing and allows higher levels of reprocessing polymers & fillers to be used.
Desiccant Masterbatch help to reduce:
Desiccant Masterbatches has the following advantages:
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Applications of Desiccant Masterbatch(Moisture Absorbent Masterbatches)
Desiccant Masterbatch of MASKA GLOBAL JSC is highly recommended fare 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.
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.
RECOMMENDED DOSAGE:
Average dosage 1-5%.
STORAGE & HANDLING:
Product is highly hygroscopic. Use over within 16-24 hours after opening the packing. Keep original packaging close.
Pre drying of Desiccant masterbatch may be required. Avoid overheating.
Special Features:
Packaging in Bag 5kg in Box: