Banned Materials List in clean rooms

• Cleanroom approved notebooks
• Computers and approved peripherals. (Subject to conditions,laptop computers are the preferred choice)
• Specialized/dedicated tooling (Subject to conditions)
• Dycem cleaning detergent
• Spectro grade IPA such as UVASOL or supplied from Fisher Scientific
• Spectro grade Acetone in small quantities (<100 ml)
• Kapton tape with Y966 acrylic adhesive
• Blue PCX polyethylene tape with Y966 acrylic adhesive
• ScotchWeld 2216 in small quantities (degassed preferred)
• ScotchWeld 1838 in small quantities (degassed preferred)
• Cleanroom approved pens
• 3M Velostat plastic light proofing material
• • Food & drink.
  • Wood products
  • Non cleanroom paper (cleanroom approved paper is available in the dispensers provided).
  • Non cleanroom notebooks (cleanroom approved notebooks are available).
  • Bare aluminium, it is preferred that aluminium is alocromed before being brought into cleanroom.
  • Cardboard/cardboard boxes of any type.
  • Pens and Pencils. The cleanroom has ample supply of approved pens.
  • Any type of grease or oil excepting space qualified Apiezon 100.
  • Books and book bags.
  • Make up.
  • Continuous non cleanroom approved printer paper.
  • Wash bottles etc. ( the cleanroom has adequate provision of Teflon wash bottles filled with Spectro grade IPA and Critical Neutral detergent).
  • Solvents not listed in the approved materials list above.
  • Compressed gasses e.g. Nitrogen, Argon and Helium etc. (the cleanroom has dedicated Nitrogen and Argon supply lines available equivalent to zero grade).
  • Vacuum pumps, unless first discussed with by the CCE and appropriate location allocated. ( the cleanroom has been fitted with a dedicated vacuum exhaust manifold and can serve up to five vacuum pumps at any one time. Preferred rotary pumps are of the scroll type.
  • Silica Gel/bagged silica gel (particulate contamination).
  • Masking tape,insulation tape and sellotape.
  • Silicone adhesive backed Kapton tape.
  • Silicone sealing compounds/greases.
  • Silicone based mastics.
  • Leather
  • Oils of any type.
  • Mobile phones (interference with test equipment and general transfer contamination)
  • Bubble wrap (slip agents and silicone contamination)
  • Black ESD bags (slip agents and silicone contamination)
  • Plastic bags of any kind (slip agents and silicone contamination)
  • Pink poly cleanroom bags (slip agents and antistatic additive contamination)
  • Any type of adhesive not listed in the Approved materials list above
  • Open cell foam materials
  • Smoking materials
  • Powders, aerosols, DOP
  • Commercial vacuum cleaners (non HEPA filter cleaners)
  • Plastic containers which are not approved by the CCE
  • Velcro