Rosin

Product Description

Gum rosin It is an amorphous transparent solid resin, main chemical composItion is resin. Widely used in soap making, paper making, coatings, printing ink, electric nsulating materials etc. Technical index Item/Grade X WW WG N M K Color yellowish light yellow yellow deep yellow yellow brown yellow red Conform to Color Requirements of STD Glass for Rosin Appearance transparent solid Softening point(Ring-and-ball method)°C&#***5; *6 *5 *4 Acid number mgKOH/g&#***5; **6 **5 **4 Content of non-saponifiable matter %&#***4; 5 5 6 Content of ethanol insolubles%&#***4; 0.*3 0.*3 0.*4 Ash content %&#***4; 0.*2 0.*3 0.*4 Packing:In galvanized iron drumPacking, net weight **0±0.5kg.