... materials are the luminous materials for manufacturing T8-T12 fluorescent lamps.4.Technology index:a. Appearance: white powder;b. Visible mechanical ... type: blue (BAM), green (CAT, LAP), red (YOX), phosphor for Ultraviolet Lamps, etc.Premixed type: 2700K, 3200K, 4000K, 6500K, etc.To meet ...