In Transformer tank painting works, we will have the problems,such as:pin-holes,bubbling,orange skin,cracking etc. Today, we will analysis the defect reasons and how to solve the problems. Painting Sticky of Transformer Tank 1. Phenomenon: After drying, some or all of the adhesive marks occur on the coated transformer tank surface. 2. Reasons: (1) Too much slow-drying solvent is added to the paint, the solvent can not volatilize; (2) insufficient or no curing agent is added; (3) the oil tank coating surface is polluted; (4) the climate changes sharply during painting processes, painting in rainy season and high humidity; (5) the coating is too thick, the interval between layers is insufficient, the paint film is not dry. 3. Countermeasure: (1) Choose appropriate dry solvent, and do not excessively add; (2) add curing agent in proportion; (3) keep the coated surface free from pollution; (4) ensure good ventilation during construction in adverse ...