Desiccant Masterbatch (anti moisture masterbatch) is a functional masterbatch primarily used to solve moisture-related issues and improve the quality of plastic plastics. These masterbatches address the problems during the processing due to the presence of moisture in hygroscopic polymers and pigments. In this article, we understand what desiccant masterbatch is and how it works, shedding light on its significance in controlling moisture levels in plastic products.
A desiccant masterbatch (anti moisture masterbatch) specially designed to absorb moisture in plastic resins. This is because the moisture present in the plastic can result in defects such as fish eyes, bubbles, discolouration and brittleness. This is typically seen in applications such as packaging materials, where high clarity and aesthetic appeal are crucial. The desiccant masterbatch eliminates humidity and enhances the extrusion and injection molding process for a smoother finish, reducing defects and rejections. Want to manage moisture content and achieve consistent product quality efficiently? Perfect Colourants & Plastic Pvt.Ltd has been at the forefront of innovative masterbatch solutions. We are a trusted Desiccant Masterbatch manufacturer in India among clients for helping them maintain product integrity and achieve high-quality finishing.
The science behind desiccant masterbatch is that it chemically binds moisture during the processing, preventing the moisture molecules from interacting with plastic. These masterbatches are pivotal for the extrusion and molding process, where higher temperatures can cause the water in the material to form air bubbles. The desiccant MBs bind the water, enhancing the mold flow and stabilizing the plastic material.
Different types of desiccant masterbatches are formulated for specific applications and countering different moisture control needs in plastic processing.
Silica gel-based Desiccant: These types of desiccant masterbatches are suitable for application that needs high-absorption of moisture without compromising on plastic’s clarity and colour.
Zeolite-based Desiccant: These desiccants exhibit excellent hygroscopic properties that effectively absorb moisture, particularly in recycled plastic materials.
Calcium Oxide-based Desiccant: These desiccants are ideal for high-humidity conditions and for plastic polymer moisture control.
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