TURPENTINE OIL AND DERIVATIVES

DISPROPORTIONATED ROSIN

Introduction

Disproportionated Rosin is a irregular transparent solid, getting from gum rosin by chemical treatments to reduce abietic acid content.

Properties

The color of disproportionatedrosin is lighter than gum rosin. It also exhibits a good oxidation resistance and heat stability.

Applications

Mainly used in hot-melt paper adhesive, tackifier pressure-sensitive adhesives, paints, synthetic rubbers and other syntheses.

Technical Specifications

Inspection Item

Unit

DPR-201

DPR-210

DPR-501

DPR-505

DPR-510

Appearance

--

Transparent

Transparent

Transparent

Transparent

Transparent

Color (Gardner, 50% in toluene), max

--

2

2

5

5

5

Softening Point (Ring & Ball), min

oC

75

75

75

75

75

Acid Value, min

mg KOH/g

150

150

150

150

150

Saponification Value

mg KOH/g

150 - 180

150 - 180

150 - 180

150 - 180

150 - 180

Abietic Acid, max

%

0.1

1.0

0.1

0.5

1.0

Dehydroabietic Acid, min

%

52

45

55

52

45

Packing and Storage

25 kgs Net in paper bag with plastic inner liner; 240 kgs Net in galvanized iron drum.
Dry and cool storage; in well-closed container, avoid oxidants environment, strong light or heat.