For this, first of all, you need to be guided by a description of the product. But at the same time it is worth paying attention to the composition. So, stamps whose glue contains calcium carbonate are widespread. Caco3 (or simply chalk) some manufacturers began to use a special type of clay. This negatively affects the degree of adhesiveness and, accordingly, the reliability of the connection. Toluol and acetone are included in the classic formula of liquid nails.