Know Why Regrind Resins Are Beneficial

Certainly, plastic has become an indispensable part of our lives, whether it's in our homes, businesses, or industries. While it serves numerous purposes, its improper disposal has long been a major concern. Fortunately, both individuals and governments worldwide have started paying attention to this issue. As a result, efforts have been made to develop and promote the use of recyclable and reusable plastics. The term "regrind" refers to plastic or resin that has already undergone some form of heat processing, such as molding or extrusion, before being reused. This process plays a crucial role in preserving the environment and reducing plastic waste. Regrind resins are widely used in the production of various plastic parts and products. In this post, we will explore the different types, considerations, and benefits of regrind resins in today’s world. ### Understanding the Different Types and Characteristics of Regrind Resins The plastic that has completed its lifecycle or has been rejected by industries is typically shredded and ground for reuse. These resins are derived from various types of polymers and come in different grades. Their physical characteristics, properties, cost, and durability vary depending on the polymer used. Some common features of polymers used to create regrind resins include: - Most of these polymers are rigid and possess excellent impact resistance. - Certain polymers exhibit outstanding thermal and mechanical properties, along with high tensile strength. - Crystalline polymers often demonstrate great dimensional stability and rigidity, making them durable even under harsh conditions. - Polyurethane plastics are known for their elasticity and resistance to abrasion, oils, and chemicals. Commonly used polymers for regrind resins include: - Acetal - Acrylonitrile Butadiene Styrene (ABS) - Nylon 6/6 - Polyphenylene Sulfide (PPS) - Polyether Imide (PEI) - Thermoplastic Polyurethane (TPU) - Thermoplastic Polyester Elastomers (TPC-ETs) - Cellulose Acetate Butyrate (CAB) - High Impact Polystyrene (HIPS) ### Key Factors to Consider When Utilizing Regrind Resins Although regrind resins are gaining popularity, some manufacturers still harbor doubts about their quality compared to virgin resins. Beyond the environmental advantages, regrind resins offer several other benefits. Here are some essential factors to keep in mind when using regrind resins: - Some users mistakenly believe that once a resin is heated, it cannot be reused because its molecular weight distribution and material properties change. However, the same applies to virgin resins, which also undergo at least one heat processing cycle. Therefore, as long as you have proper verification mechanisms and compliance measures in place, regrind resins can be safely utilized. - You must determine the appropriate percentage of regrind to mix with virgin resins when producing a specific part. - The type of polymer used to create the regrind resin and its properties are critical. Sometimes, multiple polymers may be combined to produce regrind resins. - The quality of molding and the techniques employed play a significant role, especially when creating high-precision parts. - It is essential to verify the credibility of the resin molders and handlers, and ensure the calibration of feeders is accurate. ### Maximizing the Benefits of Regrind Resins To fully capitalize on the advantages of regrind resins, a thorough and precise procedure for their production is necessary. Here are some strategies to optimize the use of regrind resins: - To maximize benefits, decide on the optimal ratio of regrind to virgin resins and avoid using degraded polymers in regrind resins. - Alternatively, consider using 100% regrind, which can lead to significant cost savings. In this scenario, ensure all virgin resins are fully utilized before introducing regrind into the system. This eliminates the need for blending and associated quality issues. - Undoubtedly, using 100% regrind reduces costs and material wastage. - Monitoring the quality and finish of products becomes easier when using 100% regrind, and contamination can be tracked and prevented effectively. - By prioritizing the use of regrind resins, organizations contribute to environmental sustainability, enhancing their reputation and market standing. Regrind resins provide excellent finishes and can rival those of virgin resins. If you’re seeking high-quality regrind resins for top-notch finishing on your components or products, it is advisable to partner with a reputable supplier. Mid Continent Plastics stands out as a leading provider of eco-friendly resins and has established itself in the market over the last three decades. [Image: Resins We Offer]

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