BIS-ISI Certificate for Maleic Anhydride – Technical
Product Maleic Anhydride, Technical Certification Body Bureau of Indian Standards Indian Standard IS 5149:2020 Scope This standard prescribes the requirements, the methods of sampling and testing for the material commercially known as styrene (vinyl benzene). Voluntary/Mandatory Mandatory Implementation date The implementation date was initially May 4, 2021, but following an