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Modified Rosin Resin (2016)

This modified rosin resin is a kind of solid chemicals presented in light yellow transparent color. It is mainly made from the gun rosin through the esterification of glycerol or pentaerythritol.

This product possesses a variety of features including high viscosity, outstanding heating and aging stability, slight odor, high compatibility with NR, CR, SBR, SIS, EVA and other polymers. It can be easily dissolved in the aromatic and aliphatic hydrocarbon solvents, esters, ketones, chlorinated solvents, etc.

Items Glycerol Ester of Gum Rosin Pentaerythritol Ester of Gum Rosin
HT85 HT90 HT95 HT100 HT105 HT115
Color (Gardner Grade) 3-5 3-5 3-5 3-5 3-5 3-5
Softening point (Ring and Ball) ℃ 85 ± 2 90 ± 2 95 ± 2 100 ± 2 105 ± 2 115± 2
Acid Value (mg KOH/g, ≤) 10 10 20 20 20 20
Solubility in Benzene (1:1) Clear

This modified rosin resin is popularized in the fabrication of EVA base hot melt glue stick, bookbinding, pressure-sensitive adhesive based on SIS or SBS, emulsion and paints based on NR and CR, etc.

Every 25kg (net weight) of products in bead or flake will be packed in a craft paper bag or plastic intertexture bag. The specific package is available for customers.