Caustic soda, which the chemical nomenclature calls sodium hydroxide (NaOH), is an important chemical for various types of manufacturing: textiles, paper products, detergents, and chemicals. The Bureau of Indian Standards (BIS) has established specifications under IS 252:2013 in relation to quality, safety, and reliability. The BIS certification is essential and manufacturers to sell ... https://www.diligencecertification.com/