EO Sterilization Cabinet

EO sterilization, also known as ethylene oxide sterilization, is a low - temperature gas sterilization method. Ethylene oxide (EO) is a colorless, flammable, and highly reactive gas. The sterilization mechanism of EO is based on its ability to alkylate essential cellular components such as proteins and nucleic acids within microorganisms. By reacting with these vital molecules, EO disrupts the normal metabolic and reproductive functions of bacteria, viruses, fungi, and spores, thereby achieving a high - level of sterilization. The process typically involves several stages, including pre - treatment (heating and humidifying the load to make microorganisms more susceptible), exposure to EO gas in a sealed chamber, and post - treatment (aeration to remove residual EO gas).

High bacterial efficiency
EO (EO) Possesses an outstanding ability to penetrate. Various types of packaging materials can be used, such as perforated paper, plastic thin film and porous materials, etc. Each item is sourced from Germany. It's easy to use, it's a ready-to-use medical instrument, and it's also a precision instrument that can be replaced. Under the current circumstances, the sterilization rate can be 100%, the performance is full, and the highest sterilization requirement in the production car environment.
psychrotrophic bacteria
Possible to operate under low temperature environment, usually between 25℃ and 65℃. This is the ideal choice if you want more heat, moisture, and higher quality. For example, in the production of plastic materials, plastic materials, Japanese electronic materials, etc., which are currently used in medical facilities, small materials can be easily passed through high-temperature annealing and sterilization methods. It is possible to keep the combustible bacteria in a low environmental temperature, and it can also be used in a wet and heated mixed environment, while maintaining its complete integrity and functionality.
equipment is very active
Each type of environment can be designed and arranged. Large-scale commercial industrial products, and small-scale commercial industrial products. The dimensions of the mold cavity body can be determined based on specific demand, and the cubic meter quantity can exceed 100 cubic meters. Various types of active products have high efficiency, different quantities and sizes, and large-scale medical equipment production methods that can be changed without demand.
residual gas theory
EO (EO) is a toxic gas, and the residual gas is extremely important. Environmental design and synthesis residual gas system. After the germination process is completed, the product is removed during the exposure process, and the product remains in the environment (EO). Activated carbon used in small quantities. We ensure that our products are safe to use, and have a maximum degree of environmental pollution.

Why choose us?

 

As an innovative company specializing in ethylene oxide sterilizers, Riches' core team comprises highly experienced and qualified engineers with years of experience in the pharmaceutical industry. They possess a deep understanding and mastery of ethylene oxide (EO) sterilization processes, enabling them to precisely address various technical challenges encountered during sterilization.

In terms of service capabilities, Riches leverages its exceptional project management capabilities and proven turnkey engineering experience to provide a one-stop solution covering the entire sterilization process. From solution customization and equipment configuration to process execution and post-process testing, Riches provides comprehensive control throughout the entire process, significantly reducing collaboration and communication costs for businesses and ensuring efficient sterilization.

In terms of compliance, Riches strictly adheres to CE standards and complies with internationally recognized standards such as EN1422 and ISO11135, ensuring the safety and standardization of the sterilization process and results, meeting the compliance needs of customers in diverse regions around the world.

 

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How does the EO Sterilization Cabinet achieve sterilization, and what are the main stages of its process?

It  relies on ethylene oxide (EO) gas for sterilization. EO is a highly reactive gas that alkylates essential cellular components (such as proteins and nucleic acids) in microorganisms (including bacteria, viruses, fungi, and spores). This reaction disrupts the microorganisms' metabolic and reproductive functions, ultimately achieving high-level sterilization. The process has three main stages:

Pre-treatment: The items to be sterilized are heated and humidified to make microorganisms more susceptible to EO.

Exposure: The sealed chamber of the cabinet is filled with EO gas, allowing the gas to penetrate the load and react with microorganisms.

Post-treatment (Aeration): Residual EO gas is removed from the products and the chamber to ensure safety for subsequent handling and use.

What makes the EO Sterilization Cabinet suitable for heat-sensitive items, and can you give an example of such items?

The key advantage that makes the EO Sterilization Cabinet suitable for heat-sensitive items is its low-temperature operation range (30℃ - 55℃). Unlike high-temperature methods (e.g., steam sterilization) that damage heat-sensitive materials, this low-temperature process preserves the integrity and functionality of the items.

Examples of heat-sensitive items include modern medical devices made of plastics (e.g., syringes, catheters), rubbers, and electronic components (e.g., circuit boards in medical equipment). For instance, single-use catheters-often made of heat-labile plastic-can be fully sterilized in their final packaging without warping or structural damage.

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