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Low Gloss Series

KJ-P8550A POLYESTER RESIN FOR LOW-GLOSS POWDER COATING(POLYESTER RESIN:EPOXY RESIN=50:50)

KJ-P8550A 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,low gloss,very good yellowing resistance and stability.And it can lowered the cost.

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

RECOMMENDED FORMULATION FOR APPLICATION
ContentsWeight
KJ-P8550A300
Solid epoxy resin E-12300
Physics matting agent40
Matt BaS04320
Flowing agent(GLP588 or PV88)10
GLP70110
Carbon Black4
Benzoin4

PRODUCE METHOD OF POWDER COATING
ExtruderSFJ-30DS(single screw)
Barrel temp85-110℃
Screw temp50℃
Rotate speed60r.p.m

Basic properties of the coating(thickness 60μm)
Impact(Reverse and Direct)50kg. Cm
Pencil hardnessHB-1H
Gloss(60° testing angle)≤15%
Bend test(φ2mm)Pass
Storage test 40℃ 24hoursGood

CURING CONDITION
190℃/20 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-P8550A POLYESTER RESIN FOR LOW-GLOSS POWDER COATING(POLYESTER RESIN:EPOXY RESIN=50:50)