|
Solid polyester resin for powder coating
(Polyester/TGIC -
Polyester/PRIMID)
|
|
►Main Characteristics |
|
JINCOAT®
8050 is a saturated carboxyl-polyester resin specially designed
for polyester powder coating by combination with TGIC or
PRIMID. The coating film will be processed of good color
solution, excellent mechanical properties, excellent outdoor
durability, excellent finish and very good decorative effect
. |
|
►Specification |
| Appearance |
Transparent flake/granule |
| Acid value (mgKOH/g) |
35 ± 3 |
| Softening point (°C) |
112 ± 3 |
| Vitrification point (°C) |
64 ± 1 |
| Viscosity (@200 °C pas) |
0.2 ~ 0.4 |
| Color index (50% in DMF solution) |
<< 2 |
|
|
►Packaging |
| 20 or 25 Kg PE bag
|
|
►Handling |
Keep in dry and cold place. No dust area
Protect the
material from direct sunlight
Storage in 25-30 °C. |
|
►Starting point formulation |
| |
TGIC |
PRIMID |
| Jincoat
8050 |
58 |
58 |
| Jinadd
200 |
5 |
|
| Jinadd
PL 55 |
5 |
5 |
|
XL 552 |
|
4 |
| Jinadd
100 (Benzoin) |
0.38 |
0.01 |
| Tio2 |
22 |
23 |
| Filler |
10 |
10 |
|
|
►Extrusion Condition |
Twin screw extruder:
| Speed |
800-1200 rpm |
| Temp |
100-120
°C |
|
Finesse
of powder |
< 100
Mic |
|
|
►Baking Condition |
15
min@180 °C
10 min@200 °C |
