Hot melt coating and granulation are both advanced techniques used in the pharmaceutical industry for improving the properties of drugs, such as their bioavailability, stability, and controlled release. The evolution of hot melt processing in the pharmaceutical and nutraceutical industry reflects a broader trend towards more efficient and environmentally friendly manufacturing system versus other traditional coating methods.
Hot melt is a technique that applies a thin layer of molten material, like polymers or waxes, to a particle. The melted coating material solidifies upon cooling inside of the Fluid Bed. Unlike traditional wet granulation, no solvents are needed, making this process ideal for moisture-sensitive drugs and shorter processing time. It's commonly used in pharmaceuticals to mask unpleasant tastes, control drug release, and improve stability of final product. It's also used in food, nutraceuticals and other industries for similar purposes.
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Hot melt coating offers several advantages that contribute to reduced production costs:
Faster Processing: Compared to traditional solvent-based coating, hot melt coating boasts significantly faster processing times. This translates to increased throughput and reduced equipment utilization costs.
Reduced Waste: The efficient and targeted nature of hot melt coating minimizes material waste. Additionally, the elimination of solvents eliminates solvent disposal costs.
Lower Energy Consumption: Hot melt coatings require lower inlet air temperatures compared to solvent-based coatings and significantly shorter processing times, resulting in lower energy consumption.
Romaco equipment is known for its durability and reliability. Regular inspections and cleaning are recommended to maintain optimal performance and ensure long-term equipment life.
Romaco prioritizes regulatory compliance. Their hot melt coating systems are designed and manufactured according to cGMP and FDA guidelines. Additionally, they offer comprehensive documentation and validation support to help pharmaceutical manufacturers meet regulatory requirements.
Romaco's hot melt coating technology addresses the challenge of handling moisture-sensitive APIs by offering a solvent-free process.
Minimal Moisture Exposure: Unlike solvent-based coating methods that often transmit humidity into the API while drying, hot melt coating utilizes heat to melt the coating material. This minimizes the exposure of the API to excessive humidity, reducing the risk of degradation or loss of potency.
Precise Temperature Control: Romaco's equipment incorporates precise temperature control systems to ensure that the coating material is melted and applied at the optimal temperature, minimizing the risk of thermal damage to the API.
Rapid Processing: The solvent-free nature of hot melt coating eliminates the need for lengthy drying times, reducing the overall processing time and minimizing the exposure of the API to potential degradation factors.
By minimizing heat exposure and offering precise temperature control, Romaco's hot melt coating technology provides a safe and efficient solution for processing temperature- and moisture-sensitive APIs while maintaining product quality and integrity.
Yes, Romaco recognizes the importance of validation in the pharmaceutical industry. They offer comprehensive validation support to assist manufacturers in implementing hot melt technology and meeting regulatory requirements. This support can include process development, equipment qualification, and documentation assistance.
Romaco understands the specific needs of different products. The granulation and coating technology “Ventilus” as well as the spraying technologies “Rotojet” or ”Flexijet” are standardized products. These technologies are adapted to the specific process needs by setting process parameters only. This provides high reliability, reproducibility and operating security as all parameters can be saved in product specific recipes.
Romaco offers a range of automation options for its hot melt coating equipment. You can choose from manual systems for greater user control to fully automated systems for high-volume production and reduced labor costs.
Romaco's Innojet hot melt systems and spray nozzles are specifically designed to handle molten materials up to a viscosity of 500 mPas. This ensures smooth and consistent material flow during the coating process. Normally, viscosity is lowered by higher temperatures. The maximum melting temperature of our hot melt systems is 90°C.