Pentaerythritol Ester of Gum Rosin


PENTAERYTHRITOL ESTER is also called #145 resin, It is gum rosin esterified with pentaerythritol. 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  (mgKOH/g)

Softening Point ℃ Gardner Colour Solubity(1:1)
ASTM-D465 R+B(ASTM-28) (50% tol.Gardner 1963) (with Benzene 1:1)

WR 5110

≤30

95-105℃

3-5

clear

WR 3110

≤30

95-105℃

3-5

clear

WR 1110

≤30

95-105℃

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.



Packing

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

2. Packing specified by customers.







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