1.use: for polyamide resin 2.High content of dimer 3.lighter colour,good transparency 4.low content of Phosphorus and Fe. Dimer acid 1.High content of dimer 2.lighter colour,good transparency 3.low content of Phosphorus and Fe. Dimer acid 1)Appearance: yellow, transparent and viscid liquid2)Character: nontoxic, nonirritating, high flash point and fire point not freeze under low temperature, good ...