Colour coatings should be stored in a dry and ventilated indoor environment to avoid open storage and storage in places prone to condensation and large temperature variations. The color coated plate should be stored in a clean and tidy environment to avoid the erosion of various corrosive media. The floor of the storage site should be flat, free of hard objects and have sufficient load-bearing capacity. In order to avoid crushing, color coated rolls are not usually stored in stacking. The number of stacking layers should be strictly limited and the weight and size of the packages should be placed below. Storage space should be adequate for the use of lifting equipment. The storage location of the painted rolls should be reasonably arranged so as to facilitate access and minimize unnecessary movement.
The main production processes of continuous color coating unit are uncoiling, pretreatment, coating, baking, post-treatment and coiling. Uses of colour coating rolls: building (outdoor) workshop, agricultural warehouse, prefabricated components of residential buildings, corrugated roof, household appliances, etc. The color coated steel plate is a product made of cold rolled steel plate and galvanized steel plate by surface pretreatment (degreasing, cleaning, chemical conversion), continuous coating (roll coating), baking and cooling. Storage of color coated rolls is an important link affecting the quality of color coated sheets. Due to improper operation, scratches, impressions, corrosion and other defects may occur during storage. In order to minimize the occurrence of various defects, the following points for attention in storage are given.