Ads by Google
Xianjing P2301-2
Saturated carboxylated polyester resin
General Description
Xianjing P2301-2 is a medium reactivity polyester resin, designed
for 93:7 TGIC curing powder coatings. Coatings based on it exhibit:
· Very good storage stability
· Good flow
· Outstanding mechanical properties
· Excellent outdoor durability
Product Specifications
Property | Range | Test Method |
Appearance | Pale granules | Visual |
Acid value, mgKOH/g | 30~36 | ASTM D1639 |
Viscosity @ 200°C ,mPa.s | 3000~6000 | ASTM D4287 |
Gardner Color(50% solution) | max.2 | ASTM D1544 |
softening point,°C | 100~120 | ball and ring method
|
Other Data
Property | Range | Test Method |
Glass transition temp.,°C | approx. 66 | DSC |
Packaging
· White PE bag, N.W.25kg/bag, 1000kg/pallet.
· Big bags 750 kg.
Storage
The product can be stably stored for at least one year when kept
in closed containers in a dry place at temperature below 30°C .
Avoid exposure to direct sunlight.
Starting Formulation
Component | Weight,% |
P2301-3 | 59.6 |
TGIC1) | 4.5 |
Titanium dioxide2) | 34.5 |
Flow control agent3) | 1.0 |
Benzoin | 0.4 |
1) Araldite®PT 810, Huntsman Advanced Materials
2) Ti-pure®R-960, DuPont Titanium Technologies
3) Resiflow PV 88, Estron,Byk 366P,BYK
Extrusion & Application Conditions
Extruder:SLJ-20
Zone I temp.:85~105°C
Zone II temp:100~120°C
Screw speed:400~500rpm
Panel: 0.5 mm pre-treated cold-rolled steel
Spray gun:
Voltage:60-90Kv
Curing cycles:10min.@200°C
Film Properties
Test item | Result | Test Method |
Film thickness,μm | Approx.60 | ASTM D1186 |
Gloss@60°,% | Min.90 | GB/T9754-88 |
Direct/reverse impact, inch lbs | 50/50 | GB/T1732-93 |
1/8”Conical mandrel | Max.3 | GB/T6742-86 |
Adhesion(cross cut) | 0 | GB/T9286-98 |
Pencil hardness(Mar) | H | ISO15184-98 |
Saturated carboxylated polyester resin