Saturated carboxylated polyester resin

Very good storage stability Good flow Outstanding mechanical properties Good yellowing resistance

Xianjing P1601-3

Saturated carboxylated polyester resin

 General Description

Xianjing P1601-3 is a medium reactivity polyester resin, designed

for 60:40 hybrid powder coatings. Coatings based on it exhibit:

· Very good storage stability

· Good flow

· Outstanding mechanical properties

·Good yellowing resistance 

Product Specifications

Property	Range	Test Method
Appearance	Pale granules	Visual
Acid value, mgKOH/g	50~60	ASTM D1639
Viscosity @ 200°C ,mPa.s	3000~6000	ASTM D4287
Gardner Color(50% solution)	≤3	ASTM D1544
softening point,°C	90~100	ball and ring method

 

Other Data

Property	Range	Test Method
Glass transition temp.,°C	approx. 54	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%
P1601-3	39.0
Epoxy Resin1)	26.0
Titanium dioxide2)	33.5
Flow control agent3)	1.0
Benzoin	0.5

1) DER663U,DOW Chemicals,orCYD-014 Yueyang

2) Ti-pure®R-706, DuPont

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:	5 mm pre-treated cold-rolled steel
Spray gun:
Voltage:	60-90Kv
Curing cycles:	20min.@180°C

Film Properties

Test item	Result	Test Method
Film thickness,μm	Approx.60	ASTM D1186
Gloss@60°,%	Min.90	ASTM D 523
Direct/reverse impact, inch lbs	50/50	ASTM D2794
1/8”Conical mandrel	pass	ASTM D522
Adhesion(cross cut)	5B	ASTM D3359
Pencil hardness(Mar)	H	ISO15184-98

Saturated carboxylated polyester resin