Gum rosin

Gum Rosin

GUM ROSIN WW GRADE

Typical Chemical & Physical Data WW GRADE
Apperance Pale Yellow Correspond to the standard glass color piece of rosin.
Softening Point (C) 75-85
Acid Number (mg.KOH\g) 160-190
Ash Content Percent by mass Max. 0.02
Alcohol insoluble materil (%) Max 0.04
Unsaponifiable Matter (%) Max 5

GUM ROSIN X GRADE

Typical Chemical & Physical Data X GRADE
Appearance Transparent
Color (50% in toluene, Gardner) 8 max
Softening Point (R.&.B, °C) 77 min
Acid Value (mg KOH/g). 170 min
Unsaponifiable Content (%) 4.0 max
Ash content (%) 0.02 max
Insoluble Matter in Alcohol (%) 4.0 max

 

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