... 51~3 Acid number,mgKOH/g,max2020 Specific gravity(@20)1.071.07 Melt viscosity(@150),CPS1000~20001000~2000 Ash( ... as weight),%,max0.10.1 Flash point(C.O.C), 250250 Uses:Used in ... hot melt adhesives for packings and bookbindings,hot melt paints,BL-117 is special suitable for wooden hot melt adhesives. ... of 25kgs net each. pentaerythritol ester of gum rosin BL-100