pp paper by corona, and apply base glue on pp surface , then coating on it , can print picture on it direatly after drying waterproof pp synthenic paper 150g1) material: pp paper-120mic, base glue-3-5g, coating: 35micron2 surface : matte3 type : 150g/ m24 for ink: dye and pigment ink5 for machine : HP/MIMAKI/MUTOU/ROLAND6 printing precision: 720-2880 dpi7 normal size: 36'' 42'' 50'' 60'' x 30(50) ...