AATCC 98-2016(E2019) Test Method for Alkali in Bleach Baths Containing Hydrogen Peroxide AATCC 185-2016(E2019) Test Method for Chelating Agents_ Percent Content in Hydrogen Peroxide Bleach API STD 6AV1-2018 Validation of Safety and Shutdown Valves for Sandy Service (THIRD EDITION) JIS T6531-2012 Elastomeric auxiliaries for use in orthodontics API Spec 6D-2022 阀门规范 Specification for Valves API STD 20L-2018 Qualification of Polymeric Seal Manufacturers for Use in the Petroleum and Natural API SPEC 20F-2018 Corrosion-resistant Bolting for Use in the Petroleum and Natural Gas Industries (S AATCC 122-2019 Test Method for Carpet Soiling_ Service Soiling