Addenda Chemical focuses on the research, development, production, and application of flame retardants and smoke suppressants as well as battery additives. Headquartered in Guangzhou, the company runs branch offices in Shanghai and New Delhi, with two production bases. Our R&D Center sits in South China Advanced Materials Innovation Park.Our product portfolio includes four major categories: flame retardants, charring agents, smoke suppressants and flame retardant masterbatches. Flame retardants cover brominated, compound antimony, antimony-free and halogen-free types. Charring agents include inorganic and phosphorus-based products. Smoke suppressants consist of molybdenum-based, inorganic and composite grades. Flame retardant masterbatches include antimony trioxide, bromine-antimony composite and halogen-free masterbatches.