Powder Free black textured Nitrile Gloves* CE category III* Excellent elasticity* Textured for added grip Chemical - Breakthrough Time n-Heptane(J) - More than 30 Mins (level 2). Sodium Hydroxide 40%(K) - More than 480 Mins (level 6). Additional Chemical Test Ammonia 25% - More than 10 Mins (level 1). Formaldehyde 37%- More than 480 Mins (level 6). Hydrogen Peroxide 30% - More than 480 Mins (level 6).* EN420: 2003 +A1:2009* EN 374-2: 2014* EN 374-3: 2003