the housing research center approved our product, and razi metalology and polymer research petrochemical gave us the approval of the product that this product can be used for walls and all types of wall coverings in iran and the region of iran. this product of daneshboiyan reaches an acceptable strength in wall tiles in a short period of time. you have the opportunity to place the next block , that is , it will give you five 5 minutes of functionality after it has been executed and the block has been placed. it achieves its strength within 2 hours and it depends on the humidity of the environment and depends on the air temperature . it usually achieves its final strength within 24 hours , which means it is much faster than traditional mortars, which generally take up to 28 days . obtaining paste mortar is used on various surfaces in construction, our areas are basically on all surfaces. the blocks are used from the ac heplex block to cement blocks are used and soffal blocks are only slightly different from each other in the amount of use . for example, safal blocks are 1 kilo and 200 gra