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Ethylene Oxide Medical Sterilant

Ethylene oxide medical sterilant is a broad‑spectrum gaseous chemical sterilant with ethylene oxide (EO) as its active ingredient. As a low‑temperature sterilant, it is specially used for the sterilization of health‑care products. It kills all microorganisms by alkylation and is applicable to medical devices that cannot withstand high‑temperature and high‑pressure moist‑heat sterilization.

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Working Principle

Product Advantage

Product Uses

FAQs

Qualifications and Licenses

The ethylene oxide molecule has high strain in its three‑membered ring. It undergoes alkylation reactions and binds to amino, hydroxyl, sulfhydryl and carboxyl groups in microbial proteins, enzymes and nucleic acids. This destroys the structures of proteins and nucleic acids, blocking microbial metabolism and genetic replication. It can irreversibly kill all microorganisms including vegetative bacteria, bacterial spores, fungi and viruses to achieve genuine sterilization rather than mere disinfection.

Product Advantages

Advantage 1

Manufactured with high‑standard aerosol can design, featuring a deformation pressure of 1.8 MPa and a burst pressure of 3.4 MPa for excellent pressure‑bearing performance.
Advantage 2

Fitted with imported American double‑end gasket valve cap with strong corrosion resistance and high gas tightness. The leak‑proof outer package further reduces leakage risks.
Advantage 3

Used aerosol cans can be disposed of as hazardous waste for safe and reliable handling
Advantage 4

Certified by US DOT for safety and US EPA for environmental protection. Covered by PICC Property and Casualty Company Limited to guarantee product quality.
Advantage 5

The carton is fully lined with pearl cotton for tight and stable packing, eliminating potential safety hazards during transportation and handling.

Disposable medical supplies: syringes, catheters, sutures, masks, dressings, endoscopes, precision electronic medical devices and other products that cannot be sterilized by high‑temperature steam.

FAQs

Do medical devices sterilized with ethylene oxide need to be ventilated to remove odors before use?

Products from regular manufacturers have completed desorption, with residues complying with national standards. They can be used directly without self‑ventilation. Only semi‑finished products that have not completed desorption require ventilation treatment.
Why is ethylene oxide suitable for sterilizing heat‑sensitive medical devices?

It is a low‑temperature gaseous sterilization method generally performed at 37‑60 ℃ without high temperature and high pressure. The gas features strong penetration and can pass through packaging materials, narrow lumens and gaps. It causes little damage to plastics, silica gel, rubber and electronic components, making it suitable for consumables and devices that cannot withstand moist‑heat steam sterilization.
What products can be sterilized by ethylene oxide? What products are unsuitable?

Applicable: Heat‑sensitive medical products such as syringes, catheters, sutures, medical masks, dressings, endoscopes and precision electronic medical devices.
Not applicable: Substances such as oils and salts that adsorb large amounts of EO and are difficult to desorb; fully airtight sealed packages through which gas cannot enter or escape, resulting in failed sterilization and trapped residues.

Ethylene Oxide Medical Sterilant

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