Glycerol Ester of Gum Rosin  

 

Glycerol ester of gum rosin is a kind of refined rosin modified resin. It is the transparent solid, which is made from refined gum rosin through eaterification with glycerol or pentaerythritol, which with the advantage of exhibit almost water white, aging resistance and excellent compatibility with the macromolecule material.

 

 

 

Features

 

 

 

Light color, low odor, good hot-stability and excellent anti-oxidation. It can improve the bonding strength for solvent-based adhesive, press-sensitive adhesive and hot-melt adhesive.

 

Good solubility: Wide soluble in aromatic and aliphatic hydrocarbon solvents, eaters, ketones and chlorinated solvents, etc.

 

Good compatibility: Free compatible with EVA, SIS, SBS, NR, CR, SBR, and other polymers at free percentage.

 

 

 

Specifications

 

 

Items	glycerol ester of refined gum rosin		pentaerythritol ester of refined gum rosin
	HE85	HE90	HE95	HE100	HE105
Color,(Gardner Grade)	1-2	1-2	1-2	1-2	1-2
Softerning point (Ring & Ball),	85 ± 2	90 ± 2	95 ± 2	100 ± 2	105 ± 2
Acid volue, mgKOH/g, ≤	10	10	20	20	20
Solubility in Benzene 1:1	Clear

 

 

Typical Uses

 

Light color hot-melt adhesives based on EVA, Light color solvent-based adhesive and emulsion by mix-melting with rubber. Pressure-sensitive adhesives based on SIS or SBS.

 

 

 

Forms and Packaging

 

Bag: beads or flake, kraft paper bag or plastic intertexture bag, 25kgs net each bag.

 

Dalian Honglu Chemical Co., Ltd.

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