In the advanced formulation of silicone hydrogel contact lenses, Pharnorcia® Sigma (CAS: 69861-02-5) serves as the core ophthalmic monomer that confers exceptional physical stability and high-purity optical performance to the lenses.As an advanced specialized siloxane ophthalmic monomer material, it plays a pivotal role in constructing the microscopic framework of lenses.

The core technological advantage of Sigma (CAS: 69861-02-5) lies in its capability to construct molecular grids.It effectively regulates the cross-linking density during polymerization, endowing the lens with excellent shape retention properties and preventing edge deformation during wear.It significantly enhances the lens's tear resistance and light transmittance, ensuring users enjoy high-definition, comfortable visual performance under any lighting conditions.

With two decades of expertise in the research, development, production, and export of premium ophthalmic materials, Sigma (CAS: 69861-02-5) serves as the quality benchmark for  Pharnorcia's high-end product portfolio.

Pharnorcia has exported thousands of batches of products to over 50 developed countries, and our materials are highly regarded for their consistent superior quality.When you need these materials, simply call or email us, and we will contact you as soon as possible. We offer customized services to meet your needs.We welcome your contact to obtain the best quote.

contact information：

Email：gm@osigen.com.cn

Phone：+86-13911254076

Website：www.phanorcia.com