... toughen,also the stability -ETV,ASTM norms H.T.M ElasticizerDescription1: H.T.M was based on special chemical additives. The medium ... reflect and toughen, and also increase stability;2: H.T.M can be used in almost all kinds of plastic that ... -30ML 30ML 25-30ML 20-25ML 25-30ML H.T.M Elasticizer