Oxygen concentrators, vital devices for respiratory care, rely on a sophisticated principle: the selective adsorption of nitrogen from ambient air using molecular sieves. These remarkable materials, essentially synthetic zeolites, are the unsung heroes ensuring the high purity of the oxygen delivered to patients or industrial processes. As a dedicated manufacturer and supplier, we provide the critical molecular sieve components that power these essential systems.
How Molecular Sieves Work in Oxygen Concentrators:
Oxygen concentrators operate using a Pressure Swing Adsorption (PSA) cycle. Ambient air, composed primarily of nitrogen (about 78%) and oxygen (about 21%), is passed through sieve beds packed with molecular sieves. These sieves have precisely sized pores, typically around 3 Angstroms for medical oxygen concentrators, which selectively trap nitrogen molecules while allowing oxygen molecules to pass through. The trapped nitrogen is then released during a desorption phase, regenerating the sieve bed for the next cycle.
Choosing the Right Molecular Sieve:
For oxygen concentrators, specific types of molecular sieves are crucial. While various types exist (3A, 4A, 5A, 13X), those tailored for oxygen generation are typically A-type zeolites, often lithium-exchanged forms, with pore sizes optimized for maximum nitrogen adsorption and minimal oxygen interaction. These sieves are designed for:
We supply specialized molecular sieves that meet these demanding criteria, ensuring that your oxygen concentrators consistently deliver high-purity oxygen (typically 93-95%). Whether you are a manufacturer of portable oxygen concentrators or industrial oxygen generators, sourcing from a reliable supplier is key.
Benefits of Our Molecular Sieves:
Invest in the quality of your oxygen concentrators by choosing the right molecular sieve. As a leading manufacturer and supplier, we are committed to providing materials that ensure the purity, safety, and performance of your products. Contact us to learn more about our offerings and how we can support your manufacturing needs.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.