1-Bam Gum Ayegh WPBS rolls must be carried and stored in vertical position. They must not be piled and no heavy objects should be laid on top of them. If possible, they must be kept in dark place with the air current passing through rolls without being exposed to direct sun rays.
2-During transport, edges of the rolls must not be torn and when unloading they must not be thrown.
3-Rolls must be kept in roofed storages with a min temperature of 5 C
4-Storing period must not exceed six months from date of production
5- Based on the type of product, the manufacturer can specially inscribe the storing period on the products if it is not less than 3 months and more than 12.