Pharnorcia Monocarbinol(-OH)-PDMS-(A701) CAS#191920-47-5 Material: Making Contact Lenses More "Unnoticeable".

Pharnorcia®'s silicone material A701 (Monocarbinol(-OH)-PDMS, CAS#191920-47-5) is the  "invisible driving force"behind premium contact lenses.

Core Advantages:99.9% ultra-high purity + unique molecular structure ensure exceptional biocompatibility.

Enhanced Comfort:Minimal impurities reduce irritation; its hydroxyl group structure blends into tear fluid to form a water film, reducing friction and boosting comfort.

Improved Oxygen Permeability:Significantly enhanced oxygen permeability  supports healthy, continuous respiration for the eye.

Top-tier Certifications:Registered with China's NMPA, and has repeatedly passed rigorous audits by international giants like Johnson & Johnson, Alcon, and CooperVision. Used globally.

Technical Strength: Precise molecular weight control guarantees consistent optical performance; 19 years of experience and comprehensive quality control throughout the process ensure stability (defect rate < 0.01%).

Pharnorcia's ophthalmic materials have broad applications: used in various products including silicone hydrogel contact lenses, Orthokeratology (OK) lenses, and intraocular lenses (IOLs).