Cleaning & Disinfection, Knowledge Base

Wipe Wise – Are You Choosing the Right Cleanroom Wipes?

Posted on by Berkshire Corporation
    1. Which type of wipe is best for particle-sensitive ISO Class 5 environments?
      • a) Cotton wipes
      • b) Nonwoven polyester
      • c) Knitted polyester ✅Explanation: Knitted polyester wipes offer the lowest particle release.
      • d) Delicate task tissue wipes
    2. What is the advantage of a sealed-edge wipe?
      • a) Lower cost
      • b) Higher absorbency
      • c) Reduced fiber shedding ✅Explanation: Laser- or ultrasonic-sealed edges reduce the risk of contamination.
      • d) Easier to cut
    3. What does “validated sterile” mean in cleanroom wipe packaging?
      • a) Confirmed free from dust
      • b) Disinfected with alcohol and confirmed for proper sterility
      • c) Gamma-irradiated and confirmed for proper sterility ✅Explanation: Sterile wipes are gamma-irradiated and tested for SAL (Sterility Assurance Level).
      • d) Individually wrapped and confirmed for proper sterility
    4. Which wipe would be the most absorbent for a large spill in the cleanroom
      • a) Cotton wipe
      • b) Meltblown polypropylene
      • c) Polyester/cellulose blend ✅Explanation: Polyester/cellulose blends are absorbent and chemically resistant.
      • d) Microfiber only
    5. What is the purpose of double-bagged sterile wipes?
      • a) Longer shelf life
      • b) Easier disposal
      • c) Facilitate transfer into controlled areas ✅Explanation: Double-bagging helps maintain sterility during cleanroom entry and processing to lower class rooms
      • d) Lower damage
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