HESTER QUíMICA DO BRASIL was founded on May 1998 with the purpose of became a specialized industry manufacturing Quaternaries Ammonium, counting with the long professional experience of Mr. Wilson Borba, former director of HERGA, a pioneer Company manufacturing Quaternaries Ammonium in Brazil, renowned by his products excellent quality standards.. In time, HESTER, became one of the best quality manufacturer of Quaternaries in the national market. Today we're proud of having small, medium and l...