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ORYNOCOAT ECA details

The perfect blend of art and science in coating materials
ORYNOCOAT® ECA is an aqueous enteric coating system designed to protect active pharmaceutical ingredients from the acidic environment of the stomach. It dissolves only at higher pH levels in the intestine, ensuring pH-dependent release and improving drug stability and absorption.
  • Gastro-Resistance Prevents dissolution in the stomach, protecting acid-sensitive APIs.
  • Targeted Release Releases the active drug in the alkaline pH of the small intestine, enhancing absorption and reducing gastric irritation.
  • Aqueous System Offers a safer, eco-friendly alternative to solvent-based coatings.
  • Improved Patient Compliance Reduces side effects and enhances dosing convenience in pH-dependent drug therapies.
Application in products
Pharmaceutical Tablets
  • Immediate-release tablets
  • Sustained-release tablets
Technical specifications 
  • Appearance: Milky white aqueous dispersion
  • Solubility: Dispersible in water
  • pH Threshold for Dissolution: Typically 5.5 – 6.8
  • Film Type: Enteric (gastro-resistant)
  • Coating System: Aqueous
  • Viscosity: Medium (adjustable depending on solids content)
  • Recommended Use Level: 3–8% weight gain depending on drug core
Safety and Toxicology
  • Non-toxic: Safe for human oral consumption; contains pharmaceutical-grade polymers
  • Dermatological safety: Non-sensitizing and non-irritating to skin and mucosa
Storage and Handling
  • Store in a tightly sealed container at 15°C–30°C
  • Protect from excessive heat and direct sunlight
  • Mix thoroughly before use to ensure homogeneity
  • Shelf life: 18 months from date of manufacture when properly stored
Packaging and Retesting
  • 25 kg HDPE drums or customized bulk packaging
  • Retest every 18 months to verify dispersion stability, pH, and film integrity
Frequently asked questions

Your questions our answers.

How does ORYNOCOAT work?
ORYNOCOAT forms a protective film over tablets, controlling drug release and enhancing stability.
What are the key benefits of using ORYNOCOAT?
It improves tablet stability, masks taste, ensures controlled release, and enhances patient compliance.
How is ORYNOCOAT used in formulations?
It is applied as a film coating over tablets using a polymer dispersion technique.
What are the safety considerations for using ORYNOCOAT?
It is non-toxic, safe for oral use, and complies with pharmaceutical safety standards.