Powder-free, non sterile. Nitrile is much more chemicaly resistant than other kind of disposable gloves commonly used in laboratory, such as latex or vinyl. 100% latex protein free: An alternative to common latex gloves to prevent allergies. Ambidextrous. AQL 1,5. According to EU 2016/425 and EN 420, EN 374 1/5 and EN 455 1/2/3 standards