STANDARD Brand Natural rubber gloves with smooth surface against chemical risk - Protein Free. Made of natural latex unlined gloves against acid, alkali & chemical risk. CE0299 approved confirming to EN 374, EN 388, EN 420 chemical performance. Permission level to EN 374-3 against methanol, acetone, sodium hydroxide (ABK) Penetration EN 374-2 no penetration.Performance level - 3 (AQL) acceptable quality level. Mechanical performance to EN 388 abrasion resistance, cut resistance, tear resistance,puncture resistance. Performance level class