Quick answer
There is no single best isolator glove material. EPDM is often selected for repeated sterilization and broad chemical duty, CSM for a balanced white glove with versatile chemical resistance, and Butyl when gas and vapor barrier performance is the priority.
Start with the process, not the material name
Choose EPDM, CSM or Butyl by contact media, sterilization method, operating temperature, barrier performance and service cycle. Each material has a distinct strength.
Practical rule Share your process media, sterilization cycle and glove-port size with Kingsure; we will recommend a matching glove specification.
Quick material comparison
Factor EPDM CSM Butyl Typical selection priority Repeated sterilization and broad chemical duty Balanced chemical resistance and white appearance Gas and vapor barrier Kingsure temperature range −50 to 135°C −35 to 120°C Confirm by configuration Repeated autoclave reference Up to 150 cycles Up to 60 cycles Select by process Primary barrier characteristic Heat, oxidizer and broad chemical resistance Oxidizers, acids, alkalis, alcohols and oils Low gas and vapor transmission
When EPDM is a strong candidate
Kingsure KS5000 EPDM is designed for temperatures from −50 to 135°C and can support VHP, ozone and gamma sterilization. Under suitable conditions, it withstands up to 150 autoclave cycles.
- Processes with frequent sterilization cycles
- Exposure to strong acids, alkalis or oxidizing media
- Applications requiring a wide operating-temperature window
When CSM is a practical balance
Kingsure KS2000 CSM provides a white glove option with resistance to oxidizers, acids, alkalis, alcohols and oils. Its service-temperature range is −35 to 120°C, with up to 60 autoclave cycles under suitable conditions.
- A white glove is preferred for visual management
- The process involves varied chemical media
- A balanced combination of flexibility and resistance is required
When Butyl barrier performance matters most
Kingsure KS1000 Butyl is intended for applications where low gas and vapor transmission is critical. It is suited to gloveboxes handling gases, solvents or radioactive iodine.
Do not select by material alone Concentration, contact time, temperature and sterilization history can all change real-world performance.
Information to confirm before selection
- List every process medium and its concentration.
- Define sterilization method, temperature and cycle frequency.
- Confirm glove-port diameter, thickness and length.
- State whether gas, vapor or permeation performance is critical.