1,Reduce the brightness of the paint film 2,Good matting ability 3,With smooth GPI-550 Matting Agent Characteristic:Reduce the brightness of the paint film,with good matting ability with smooth Match withGPI common color masterbatch,Clear coat seriesSurstrates TreatmentClean the sanded substrates with trak ragBlending RatioNameCommon color masterbatch/Clear CoatDL-550 Matting AgentAll matte100 ...