Gum Rosin is a translucent yellowish to dark brown resin derived from the stumps or sap of various pine trees and used to increase sliding friction.
Grade : N, WG, WW & X
| SPECIFICATION | STANDARD |
|---|---|
| SOFTENING POINT RING AND BOLD | X = MIN 78 CWW = MIN 78 C WG = MIN 76 C N = MIN 74 C |
| COLOUR BY LOVIBOND COMPARATOR | X/ WW/ WG/ N |
| IMPURITY/ SOLUBILITY IN TOLUEN | X = MAX 0.02 %WW = MAX 0.05 % WG = MAX 0.07 % N = > 0.10 % |
| ACID VALUE | 160 – 190 |
| SAPONIFICATION VALUE | 170 – 220 |
| IODINE VALUE | 5 – 25 |
| ASH CONTENT | X = <= 0.01 % WW = <= 0.04 % WG = <= 0.05 % N = <= 0.08 % |
| VOLATILE OIL CONTENT | X = <= 2 %WW = <= 2 % WG = <= 2.5% N = <= 3 % |
ROSIN DERIVATIVES:
* PENTAERYTHRITOL ESTER #1020
Pentaerythritol Ester with multiple formed (flake and lump), specially stabilized and treated more than natural rosin to give color stability at elevated temperatures and will exhibit adhesion properties.
- Excellent solubility in Xylene, Toluene, other aromatic and aliphatic hydrocarbon solvent. Also good solubility in esters and ketones.
- Compatibility in EVA, SIS, natural and chlorinated rubber.
TECHNICAL DATA
| Description | Specification | Typical |
| Softening Point (R&B, °C) | 75 – 84 | 82 |
| Color, Gardner, max | 5 | 5 |
| Acid Number, mgKOH/g, max | 170 | 165 |
| Viscosity, Gardner, at 25 °C | Y – Z2 | Z1 |
| Non Volatile Content, % min | 99.00 | 99.50 |
* GLYCEROL ESTER #8200 A light color glycerol ester with
flake form & low odor, have excellent solubility in xylene,
toluene and other aromatic and aliphatic solvents, also good
solubility in ester and ketones, have good compatibility with
most rubber, waxes and hydrocarbon resins.
- Soluble in aromatic and aliphatic hydrocarbon solvents,
Ester and ketones. - Compatibility in EVA, SIS, waxes and rubber.
TECHNICAL DATA
| Description | Specification | Typical |
| Softening Point (R&B, °C) | 85 ±5 | 85 |
| Color, Gardner, max | 5 | 4 – 5 |
| Acid Number, mgKOH/g, max | 14 | 14 |
| Viscosity, Gardner, at 25 °C | T – V | U – V |
* MODIFIED MALEIC GLYCEROL ROSIN ESTER #8300 A light colour
modified maleic glycerol rosin ester resin flake form and low
odor, has excellent solubility in Xylene, Toluene and other
aromatic solvents, also have good solubility in ester and
ketones, designed for use in paints and ink that exhibit
hardness, and fast dry. • Soluble in aromatic and aliphatic
hydrocarbon solvents, Ester and ketones. TECHNICAL DATA
| Description | Specification | Typical |
| Softening Point (R&B, °C) | 130 ±5 | 127 |
| Color, Gardner, max | 5 | 5- |
| Acid Number, mgKOH/g, max | 30 | 30 |
| Viscosity, Gardner, at 25 °C | Z1 – Z4 | Z2 – Z3 |
* PENTAERYTHRITOL MODIFIED MALEIC ROSIN #8310 A light color
Pentaerythritol modified maleic rosin ester flake form and low
odor. It is an excelent solubility in Xylene, Toluene, aromatic
and aliphatic solvent, also good solubility in ester and ketones,
but insoluble in alcohol solvent. Designed for use in paint and
inks, will exibit excellent hardness, gloss, drying speed and
adhesion properties. • Soluble in aromatic and aliphatic
hydrocarbon solvents, Ester and ketones. TECHNICAL DATA
| Description | Specification | Typical |
| Softening Point (R&B, °C) | 130 ±5 | 130 |
| Color, Gardner, max | 5 | 5- |
| Acid Number, mgKOH/g, max | 30 | 30 |
| Viscosity, Gardner, at 25 °C | Z1 – Z4 | Z4 |
