Understanding ODF Machines: Precision Coating for Oral Films

In today's rapidly evolving pharmaceutical landscape, oral dissolvable films (ODF) have emerged as an innovative solution for delivering medications, supplements, and nutritional products. At HUANGHAI, our industry-leading ODF machines employ state-of-the-art precision coating technology, setting new benchmarks for quality, consistency, and efficiency in film production.

---

Cutting-Edge Precision Coating Technology

Precision is the heart of HUANGHAI's ODF machine capabilities. Our patented multi-compound coating systems deliver unparalleled control over film thickness and uniformity. This precision ensures that every dose — whether pharmaceutical or nutritional — meets stringent regulatory requirements and consumer expectations.

Thanks to our proprietary technology, formulations remain stable across all equipment models. From lab-scale research to full-scale production, our machines maintain consistent parameters, eliminating the need for costly formulation adjustments during scale-up.

---

Dual Application Flexibility: ODF & Transdermal Patches

Our MJ series ODF machines are uniquely designed for both ODF and solvent-based transdermal patch applications. With a simple modification of the cutting head, manufacturers can switch seamlessly between applications — maximizing flexibility and return on investment.

---

Scalable Product Line for Every Stage

HUANGHAI offers a comprehensive ODF machinery lineup:

• 🧪 Lab-scale units – Ideal for initial formulation and feasibility studies
• 🚀 Pilot-scale machines – For regulatory approval and stability studies
• 🏭 Mass production lines – High-efficiency systems for commercial output

This scalable approach ensures a smooth transition across development stages, optimizing both time and capital investment.

---

Powered by Research and Innovation

Backed by the National Pharmaceutical Engineering Research Center (NPERC) and led by Academician Hou Huimin, HUANGHAI’s engineering team drives continuous improvement. With over 100 patent applications and 70+ authorized patents, we deliver scientific rigor and innovation in every machine we build.

---

Flexible Upgrades & Client-Focused Policies

To support growing production needs, HUANGHAI offers credit-back upgrade options — where the cost of your initial machine can be offset when investing in a higher-capacity model. This reduces long-term cost while giving your production line room to grow.

---

Regulatory Compliance & Intelligent Control

All our ODF machines comply with GMP standards, with options for FDA and CE certification upon request. Features include:

• Advanced human-machine interface (HMI)
• Real-time monitoring and data traceability
• Precision control for consistent film output

---

Ready to Transform Your Film Production?

At HUANGHAI, precision meets practicality. Our commitment to innovation, quality, and customer satisfaction makes us the trusted partner for film and patch manufacturing worldwide.

👉 Contact us today to learn how HUANGHAI’s ODF coating technology can elevate your production capabilities.

*Designed to meet Class I Div 1 / ATEX explosion-proof standards for safe transdermal solvent handling.

Explore related equipment: ODF film coating machine | dissolution tester.

---

Frequently Asked Questions

Q: What is the difference between an ODF film and a transdermal patch?

A: Oral Dissolving Films (ODF) are placed on or under the tongue and dissolve within seconds to minutes, delivering APIs directly through the oral mucosa or via swallowing. Transdermal patches adhere to the skin and deliver APIs through the dermal layers into systemic circulation over hours to days. Despite different delivery routes, both are manufactured using similar solvent-cast film coating processes. Huanghai's MJ150 ODF machine supports both applications on a single platform with approximately 2 working days of changeover time.

Q: What production output can I expect from a Huanghai ODF machine?

A: The MJ150 produces 20,000 films/hour at commercial scale. The MJ150-L targets R&D and pilot production at 8,000–10,000 films/hour. For fully integrated lines, pair either machine with the MJF180 automatic cutting and packaging system (11,900 films/hr) or the more affordable EZ320 (9,000 films/hr). A complete MJ150 + MJF180 line can produce over 150 million finished pouches annually on a single-shift basis. Contact us for pricing and configuration details.

Q: What drying technology does Huanghai use for ODF production?

A: Huanghai uses patented gradient hot-air drying (Patent CN201668734U), which applies a smooth progressive temperature drop rather than stepwise oven zones used by competitors. This results in more uniform film thickness, reduced edge curl, and better API distribution across the film web. An optional far-infrared heating module adds 20–30% drying efficiency for solvent-based formulations. This patented drying system is one of the key technical advantages that justifies Huanghai's position as the preferred ODF equipment supplier to Sinopharm, Shanghai Pharma, and Fosun Pharma.

Q: What are the GMP requirements for ODF production equipment?

A: ODF manufacturing equipment must comply with cGMP (21 CFR Parts 210/211) for US market products, and equivalent standards (EU GMP Annex 1, ChGMP) for other markets. Key requirements: material contact surfaces must be 316L stainless steel or equivalent; CIP/SIP capability or documented cleaning validation; data integrity controls meeting ALCOA+ principles (audit trails, access control). Huanghai ODF machines meet these standards—all product contact surfaces use pharmaceutical-grade materials, and the control system includes operator access logs and parameter change records. Request our GMP compliance documentation.

Q: Can Huanghai machines produce stripe-coated or multi-formula ODF films?

A: Yes. Huanghai holds a patent for multi-formula stripe coating (Patent CN117323228A), enabling two different API formulations to be applied side-by-side in a single coating pass. This eliminates the need for multiple coating/drying cycles when producing combination-drug ODF products. Competitors require manual multi-layer coating with drying intervals between each formula. This capability is particularly valuable for fixed-dose combination products (e.g., dual-API ODFs for cardiovascular or CNS indications) where coating efficiency directly impacts production economics.