BIS Certification For Vinyl Sulphone BIS Certification requirements for Vinyl Sulphone As per the Indian Standard IS 18340: 2023. It is an organic chemical used in the production of reactive dyes and major used of dyes in paints, plastics, rubber, and pigments. As a dyes Vinyl Sulfone dyes are very popular in textile industries and also used for printing by one phase or two phase application method. IS 18340 In this standard IS 18340:2023 outlines the quality, safety, and compliance requirements for Vinyl Sulphone according to industry standards. Manufacturers must obtain a license from the Bureau of Indian Standards (BIS) and display the standard mark (ISI Mark) on their Vinyl Sulphone products. For guidance on the BIS certification process for Vinyl Sulphone, contact BIS Consultant Aleph India.