Principle:

The coating liquid (such as polymer solution) is atomized by the spray system, and dried with hot air to form a thin film on the surface of the rolling material.

Process:

Preheating: The material (such as tablets) is preheated to a suitable temperature in the drum.

Spraying: The coating liquid is evenly sprayed on the surface of the material.

Drying: Hot air quickly solidifies the coating to avoid adhesion.

Cooling: The finished product is discharged after cooling.

Application

Pharmaceutical preparations

Protection and stabilization: Isolate light, moisture or oxygen to extend the shelf life of drugs (such as vitamin tablets to prevent oxidation).
Mask odor: Hide bitter or irritating odors (such as children's antipyretics).
Controlled release: Targeted release through enteric coating or sustained release layer (such as aspirin enteric-coated tablets).
Appearance optimization: Color or polish tablets to improve recognition (such as colored sugar-coated tablets).

Food industry

Flavor enhancement: Add chocolate and spice coatings to candies and nuts (such as chocolate beans).
Shelf protection: Moisture-proof and anti-sticky, extend the crispness of snacks (such as puffed foods).

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Pharmaceutical Equipment

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