My company production PE RT masterbatch for tube, with bright color and high temperature resistant, non-deformation characteristics. Technical parameters: 1, appearance: 3 * 3 mm cylindrical or globular, smooth surface, colour and lustre is consistent. 2, melt index: MI (g / 10 min) > 2 3, water content, less than 0.3% 4, resistance transference: 4 or higher level