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How to Improve Recycled PE Blown Film Quality & Three Essential Masterbatches
- June 1, 2026
Use recycled PE materials to produce garbage bags, shopping bags, packaging films and agricultural films. Recycled materials have huge price advantages and help factories reduce production costs greatly. However, recycled plastic contains impurities, moisture, odor and inconsistent color, which easily cause many production problems and defective products. To solve these issues, several essential masterbatches are needed to improve recycled material performance and guarantee qualified finished films.
Key Points to Note When Using Recycled PE Materials
- Unstable color tone. Recycled plastics come from different waste plastic sources, with mixed colors, grey backgrounds and uneven shades. It is hard to get uniform and bright film color without professional color masterbatch.
- Excess moisture inside materials. Recycled pellets easily absorb water during collection, storage and reprocessing. Moisture will cause film bubbles, fish eyes, broken film and rough surface during blowing.
- Peculiar odor problem. Old plastic materials, printed plastic films and dirty recycled materials will produce unpleasant smells after reheating, affecting product quality and sales.
- Poor dispersion and many impurities. Recycled materials contain tiny dirt and mixed plastic components, which easily cause color spots, streaks and low film toughness.
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Three Essential Masterbatches for Recycled Blown Film
- Color Masterbatch (Black / Custom Color)
- Color masterbatch is the most basic and necessary additive for recycled film production. Recycled PE has messy and dull original colors. High-quality color masterbatch can cover the original grey and mixed color of recycled materials, providing pure, uniform and bright color for finished films.
- Strong covering power to hide impurities and faded background color of recycled plastics
- Excellent dispersion, no color spots, no streaks on the film surface
- Low addition rate saves material cost, suitable for high-speed blown film machines
- Stable color, no fading, improving the overall grade of recycled film products
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- Desiccant Masterbatch (Moisture Absorbing Masterbatch)
- Desiccant masterbatch is specially used to solve the moisture problem of recycled plastic pellets. It can quickly absorb excess water inside recycled materials during melting and extrusion.
- Eliminate film bubbles, fish eyes and hollow points caused by moisture
- Prevent film breaking and surface roughness during production
- Improve the density and smoothness of recycled film
- Make production more stable, reduce machine shutdown and waste products
- Deodorant Masterbatch (Odor Remover Masterbatch)
- Recycled plastics usually produce pungent and peculiar smells after high-temperature melting. Deodorant masterbatch is designed to absorb and neutralize plastic odor, perfectly solving the odor problem of recycled film products.
- Effectively remove bad smell from old recycled PE materials
- No peculiar smell on finished plastic bags and films, more hygienic and marketable
- Non-toxic and eco-friendly, safe for daily packaging film products
Using single masterbatch cannot fully solve all problems of recycled materials. Color masterbatch improves appearance, desiccant masterbatch fixes moisture and film defects, and deodorant masterbatch solves odor issues. When used together, they can turn low-quality recycled materials into smooth, uniform, odor-free and high-quality blown film products.
This matching solution helps film factories make full use of cheap recycled materials, greatly reduce raw material costs, and avoid defective product losses. It is the most cost-effective production formula for recycled PE film factories.
Recycled PE blown film production has many unstable factors such as color difference, moisture and odor. Reasonably adding professional color masterbatch, desiccant masterbatch and deodorant masterbatch can effectively solve all common production problems. It stabilizes production quality, reduces waste, maximizes the cost advantage of recycled materials, and helps plastic film factories gain more profits in market competition.
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