High Gloss Polyester Resin for Powder Coating

Product Description

Yuanli NEWPOL-0264/1 is a kind of saturated carboxyl polyester resin, hybrid polyester resin,mixed with epoxy resin in 60/40 for polyester/epoxy powder coatings.

Product Properties

Very high gloss;

Excellent flow;

Good mechanical properties;

Perfect anti-yellowing;

Good storage stability.

Specifications

Appearance: Chip solid

Color(50% DMF): Max. 3

Acid Value (mgKOH/g): 50-56

ICI Viscosity (200℃) Po.: 25-35

Softening Point(ball)℃: 95-110

Tg(℃): Appr. 56

Package and shelf life

25kgs net in bag

One year in dry and well-ventilated condition below 30℃

(If exceed shelf life,please check again, it can be used if inspection result is ok)

Starting Formulation

Yuanli NEWPOL0264/1: 360g

Epoxy Resin(E-12):240g

Tio2(R902):350g

Flow agent(PV5):10g

Benzoin:5g

Extrusion Condition

Extruder: Yuanli extruder(option)

Casing setting temperature: 110-120

Kneading screw temperature: 60

R.P.M: 60

Particle size: Max 100

Curing condition: 180℃ x 15min.(MT)

Filim Properties

Thickness:60+_10

Gloss (60)%: Min 90.

Adhesion(2mm):0-1

Bending(mm):Max 4

Impact(kgcm):50

Hardness(pencil)H:1H

Application Condition

Degreased and stainless cold-rolled steel(mm):0.5

Spraying tension KV:50