Knowledge of glue
History of solid glues
At first, it was thought that the thing of the crayon type which came out tackiness when rubbing like the slip wax of the belt of the factory. The origin of the current solid glues using Pyrrolidone is the one that the manufacturer of the Germany announced in 1970 (Showa 45).
The company began producing and selling pits in 1971 (Showa 46) with the technology that we developed promptly. This is the first domestic solid glues , and it has come to the present while selling various types afterwards.