Glycerol Ester of Gum Rosin



Glycerol ester of gum rosin is also called #138 resin. It is gum rosin esterified with glycerol. This product has high viscosity, superior aging resistance, and excellent compatibility.



Feature

Broad compatibility and solubility, low odor and taste, medium softening point, thermoplastic resin. It can help to improve the bonding strength for solventbased adhesive, press-sensitive adhesive and hot-melt adhesive.



Specification

Product No.

Acid Value

(mgKOH/g)

Softening point
(R&B)℃
Color (Gardner) Solubity (with benzene 1:1)
ASTM-D465 R+B(ASTM-28) (50% tol.Gardner 1963) (with Benzene 1:1)

WR 5095

≤15

85-95

3-5

 Clear

WR 3095

≤15

85-95 

3-5

Clear

WR 1095

≤15

85-95

1-2

Clear



Application

Use for EVA base hot melt glue sticks, bookbindings, pressure-sensitive adhesive based on SIS or SBS adhesive, hygiene products adhesives, structural adhesive, coating, package, solventborne adhesives.



Packaging

1. In Bag: granular or flake, kraft paper bag, 25 kg/ bag.

2. Packing specified by customers.


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