Exploring Tablet Coating: Process and Schematic's Solution
May 24, 2024

Exploring Tablet Coating: Process and Schematic's Solution

The coating of tablets is a crucial step that goes beyond just aesthetics. It involves a delicate process aimed at ensuring the efficacy, safety, and overall quality of the final product. So, what exactly is tablet coating, and why is it necessary? Let's delve into the details.

What is Tablet Coating?

Tablet coating is the process of applying a thin layer of coating material onto the external surface of a tablet. This coating can serve various purposes, ranging from masking unpleasant tastes or odors to controlling drug release and protecting the tablet from environmental factors that could lead to degradation.

Why Do Tablets Have Different Coatings?

Tablets may have different coatings depending on the specific requirements of the medication and the preferences of the manufacturer. Some common reasons for applying coatings include:

  1. Taste and Odor Masking: Coatings can help conceal any unpleasant taste or odor associated with the medication, improving the overall patient experience.
  2. Colour Disguise: Coatings can be used to alter the colour of the tablet, making it more visually appealing or easier to identify.
  3. Protection from Degradation: Certain chemicals within the tablet may degrade when exposed to moisture, light, or air. Coatings act as a barrier, protecting the tablet's chemical composition and ensuring its stability over time.
  4. Identification and Branding: Coatings can feature distinctive markings or logos, making it easier to identify the medication and enhancing brand recognition.
  5. Controlled Release: Some coatings are designed to control the release of the active ingredient within the tablet, ensuring a consistent and prolonged effect.
  6. Facilitating Packaging: Coatings can make tablets easier to blister or package, streamlining the manufacturing and distribution process.

The Tablet Coating Process

Tablet coating machines play a pivotal role in the pharmaceutical industry, particularly in the final stages of drug manufacturing. These machines apply the coating material onto the tablets in a precise and controlled manner. The process typically involves:

  1. Loading Tablets: Tablets are placed in a rotating drum or bed, which moves continuously to ensure even distribution of the coating material.
  2. Application of Coating: The coating material, often a sugar or polymer solution, is sprayed onto the surface of the tablets as they move through the drum.
  3. Drying: Hot air is introduced into the drum to evaporate the solvent, leaving behind a uniform coating on the tablets.
  4. Quality Control: Throughout the process, strict quality control measures are implemented to ensure that each tablet receives the appropriate coating thickness and that there are no defects or irregularities.

Schematic's Solution: Tablet Coating Glove Box

At Schematic Engineering, we specialise in designing and manufacturing advanced solutions for pharmaceutical manufacturing processes. Our Tablet Coating Glove Box is specifically designed to meet the stringent requirements of tablet coating applications.

How Schematic Can Help

Our Tablet Coating Glove Box offers:

  • Barrier Isolation: Ensuring a controlled environment free from contaminants, our glove box helps maintain the integrity and quality of the tablet coating process.
  • cGMP Compliance: Designed in accordance with current good manufacturing practices, our glove box meets the highest industry standards for quality and safety.
  • Customisation: We work closely with pharmaceutical manufacturers to tailor our solutions to their specific needs, ensuring seamless integration into their production lines.

Explore here.

Explore Our Product: Auto Coater Isolators

In addition to our Tablet Coating Glove Box, we also offer Auto Coater Isolators designed for use with tablet coating machines. These isolators provide an enclosed environment for the coating process, minimising the risk of contamination and ensuring consistent quality.

Get in Touch

The coating of tablets is a critical step in pharmaceutical manufacturing, with far-reaching implications for product quality and patient safety. At Schematic Engineering, we are committed to providing innovative solutions that enhance the efficiency, reliability, and compliance of tablet coating processes. Explore our range of products and discover how we can support your pharmaceutical manufacturing needs.

Get in touch here.

Why Partner With Us?

Logistics, API, Formulation & Injectable Equipment Solutions
Schematic and the wider Standard Group offer 95% of ALL products required for Pharmaceutical processing.