... recommended:TSA-230,TSA-250,TSA-260,TSA-270,TSA-250L,TSA260L.TSA-270L.2.Coil coating recommended:TSA-260,TSA ... -260LTSA-270LDispersion time,mins15151515151515151515Dispersion speed,r/min1500150015001500150015001500150015001500Dispersion fineness,um16202325281620252830 TSA-250L powder coating