#Bis Isi certification for 1 3 phenylenediamine
BIS ISI Certification for 1,3 Phenylenediamine | IS 17450:2020
BIS Certification Online IS 17450:2020 specify that it is necessary to contain an ISI mark under Scheme - I of Schedule - II of the Bureau of Indian Standards for 1, 3 Phenylenediamine.
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