... Block HB-4101 is heat-plasticity resin based and 100% solid adhesive,non-toxic, non-polluting, ... effciency; solvent-free,no need of drying equipment, saving footprint and good stablity, long-term storage without deterioration ... , providing healthy and safe working enviroment. .Hot melt adhesive, hot ... . HMPSA ... Hot melt adhesive block for glass and sbs revertex