COTAB AFC HP

Advanced HPMC + PVA Film Coating System for Pharmaceutical Tablets.

Cotab AFC HP is a premium ready-mix film coating system developed using a unique combination of HPMC (Hydroxypropyl Methylcellulose) and PVA (Polyvinyl Alcohol). This advanced formulation is specifically designed for pharmaceutical tablet coating applications where excellent film strength, superior finish, and process reliability are essential.

The synergistic combination of HPMC and PVA provides robust film formation, enhanced coating durability, and improved tablet aesthetics while supporting efficient coating operations in aqueous systems.

Cotab AFC HP is a high-performance film coating blend that simplifies coating preparation and delivers consistent results throughout production. The formulation is engineered to create strong, elegant, and uniform coatings while maintaining tablet functionality.

Product Benefits

• Fast and easy dispersion in water

• Stable coating suspension

• Enhanced film strength

• Excellent surface smoothness

• Consistent coating quality across batches

• Suitable for a wide range of tablet formulations

Key Features & Advantages

Dual Polymer Film Technology

• Combination of HPMC and PVA polymers

• Strong and resilient film structure

• Improved coating durability

• Excellent adhesion to tablet surfaces

Enhanced Surface Finish

• Creates a refined and uniform tablet appearance

• Excellent colour consistency

• Smooth coating texture

• Professional-looking finished tablets

Optimized Manufacturing Performance

• Stable spray characteristics

• Efficient coating application

• Reduced process variability

• Supports high-volume production requirements

Improved Film Integrity

• Resistant to cracking and chipping

• Excellent mechanical performance

• Strong coating cohesion

• Reliable protection during handling and packaging

Recommended Coating Parameters

Film Coating Process Using Cotab AFC HP

Parameters Aqueous Film Coating System

Polymer Base HPMC + PVA

Reconstitution Level 15% – 20% w/w

Recommended Vehicle Demineralised / Distilled Water

Coating Weight Gain 2.0% – 2.5% w/w

Application Pharmaceutical Tablets

Why Select Cotab AFC HP?

• Advanced HPMC + PVA polymer combination

• Strong and durable film formation

• Excellent coating uniformity

• Enhanced tablet aesthetics

• Stable aqueous coating process

• Reliable manufacturing performance

• Consistent quality output

• Suitable for commercial-scale production

Frequently Asked Questions (FAQ)

1. What is Cotab AFC HP?

Cotab AFC HP is a ready-mix film coating system based on HPMC and PVA polymers, developed for pharmaceutical tablet coating applications requiring strong and uniform film formation.

2. What makes the HPMC + PVA combination beneficial?

The combination offers enhanced film strength, improved coating adhesion, smooth tablet appearance, and reliable coating performance during manufacturing.

3. What is the recommended reconstitution level?

Cotab AFC HP should be prepared at a solids concentration of 15%–20% using demineralised or distilled water.

4. What coating weight gain is recommended?

A coating weight gain of 2.0%–2.5% w/w is generally recommended to achieve optimal appearance and coating performance.

5. Is Cotab AFC HP suitable for commercial pharmaceutical production?

Yes. Cotab AFC HP is designed for both development-scale and commercial-scale tablet coating operations.

Note: Process parameters may vary depending on equipment design, tablet formulation, production scale, and operating conditions.