rosin

• Product Name:

  rosin

• Category: Others
• Price: Get Latest Price

• Product Detials:

        Rosin is a yellowy transparent and solid-state material of hard and brittle that the broken surface likes shell of vitreous luster. Rosin is soluble in many organic solvents,such as ethanol, ether ,etc. Rosin is a combination of many kind of the resin acid .Its chemical nature depends on the variety of reactions derived from resin acid .

        Rosin is a valuable industrial raw materials for being widely used in soap, paper, paint and other chemical industries. It is referred to as " industrial monosodium glutamate .

  .Technical indicatory criterion

  indicatory criterion level	Special level	First level	Second level	Third level	Fourth level	Fifth level
  appearance	Transparent character
  clour	little yellow	yellowy	yellow	Deep yellow	Yellow brown	Yellow red
  	The color request with the standard color blocks of rosin
  Softening point no less than	76		75		74
  Acid value Mg/g no less than	166		165		164
  Unsaponifiable content  %   no more than	5		5		6
  Acetaldehyde Insoluble %  no more than	0.03		0.03		0.04
  Ash %   no more than	0.02		0.03		0.04