It is transparent and light yellow granular. Petroleum Resin C5 C9 for paiting ,rubber industry. Product Name: C5 Petroleum Resin Character: It is transparent and light yellow ... chemically stable with things, such as acid, alkali. Usage: 1. Road marking paint: It can improve on the brightness, bonding, water and weather ... Storage: Keep it in cool, breezy warehouse, avoid direct sun petroleum resin C5