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Gum Rosin

Updated: Feb 24, 2022

Brief definition : A translucent yellowish to dark brown resin derived from the stumps or sap of various pine trees and used to increase sliding friction, as on the bows of certain stringed instruments, and to manufacture a wide variety of products including varnishes, inks, linoleum, adhesives, and soldering compounds.





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Application / market Industry :

(a). Paper Mill Factory

(b). Textile Factory


Pine Chemical Charts




SPECIFICATION

METHOD

VALUE STANDARD

Melting Point

Ring & Ball

WW = ≥ 70˚C

Color

Lovibond Gardner

X / WW / WG

Impurity

Gooch Filter G-3

WW = ≤ 0,05%

Acid Number

Titration

160 - 190

Saponification Value

Titration

170 - 220

Iodine Value

Titration

5 - 25

Ash Content

Furnace Heraeus

WW = ≤ 0,04%

Non Volatile Content

Oven Baking

= ≥ 98%




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