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Longer reads on the questions QA, production and procurement teams ask us about cleanroom garments, gowning and standards.

AntistaticEN 1149-5 vs ANSI/ESD S20.20: which antistatic standard applies to your cleanroom garments?Two standards, two different jobs. EN 1149-5 protects people in explosive atmospheres; ANSI/ESD S20.20 protects electronic components. Here is how to tell which you need.
IEST-RP-CC003IEST-RP-CC003 explained: how to evaluate a cleanroom garment systemIEST-RP-CC003 treats garments as a system of fabric, construction, processing and use. Here is how to use it to compare suppliers.
EU GMP Annex 1EU GMP Annex 1 gowning requirements by grade, explained for garment buyersWhat the 2022 revision of Annex 1 asks of cleanroom garments in each grade, and how to turn it into a garment specification your supplier can quote against.
SelectionCleanroom garment selection by ISO class and EU GMP gradeGrade A/B (ISO 5) areas need sterile coveralls, hoods, masks, overboots, goggles and sterile gloves. Grade C (ISO 7) needs a suit and hair cover. Grade D (ISO 8) needs a general protective suit, hair cover and overshoes.
Garment lifeHow many autoclave cycles does a cleanroom garment last?A well made reusable cleanroom garment typically lasts 50 to 100 steam autoclave cycles. The real number depends on fabric, seams, zips, laundering chemistry and the sterilisation cycle, so track cycles per garment and inspect before each use.
GowningThe cleanroom gowning sequence, step by stepGown from the top down: hair cover or hood, mask, coverall without touching the floor, booties over the step-over bench, goggles, then gloves, finishing with a mirror check.
FabricAntistatic cleanroom garments explained: grid, stripe and core conductive fabricsAntistatic cleanroom fabrics weave conductive carbon fibres into polyester as a grid or stripes so that charge spreads and dissipates instead of building up and attracting particles or damaging electronics.

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