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High Gloss Series

KJ-P8550 POLYESTER RESIN FOR POWDER COATING(POLYESTER RESIN:EPOXY RESIN=50:50)

KJ-P8550 is a Saturated Polyester Resin which is cured with Epoxy Resin(50:50) to produce the Hybrid Powder Coating providing excellent flow-abilities, mechanical properties, decorative effects, and very good yellowing resistance and stability.

PRODUCT SPECIFICATION
AppearancePale yellow granulate
Viscosity(175°C)5000-8000
Softening Point95-115℃
Acid value(mgKOH/g)68-72
Tg(℃)55(Approx.)

RECOMMENDED FORMULATION FOR APPLICATION
ContentsWeight
KJ-P8550300
Solid epoxy resin E-12300
Ti02(RCX575 or R902)200
BaS04180
Flowing agent(GLP588 or PV88)10
GLP70110
Benzoin4

PRODUCE METHOD OF POWDER COATING
ExtruderSFJ-30DS(single screw)
Barrel temp100-125℃
Screw temp80℃
Rotate speed70r.p.m

Basic properties of the coating(thickness 60μm)
Impact(Reverse and Direct)50kg. Cm
Pencil hardnessHB-1H
Gloss(60°coner)≥92%
Bend test(φ2mm)Pass
Storage test 40℃24hoursGood

CURING CONDITION
180℃/15 min.

PACKAGE AND STORAGE
25kgs/kraft bags inner with plastic bag,35 bags/pallet,17500kgs per 20 feet container.
Store in a dry, cool area and avoid excessive heat.

KJ-P8550 POLYESTER RESIN FOR POWDER COATING(POLYESTER RESIN:EPOXY RESIN=50:50)