Unsaturated Polyester Resin

Product Description

Yuanli NEWPOL-0297/1 is a kind of saturated carboxyl polyester resin, mixed with TGIC in93/7 for exterior environment polyester powder coatings.

Product Properties

Yuanli NEWPOL-0297/1is provided with:

High gloss;

Good flow;

Good mechanical properties;

Perfect anti-yellowing;

Good storage stability.

Specifications

Appearance: Chip solid

Color(50% DMF): Max. 3

Acid Value (mgKOH/g): 28-34

ICI Viscosity (200℃) Po.: 40-50

Softening Point(ball)℃: 100-120

Tg(℃): Appr. 67

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 NEWPOL-0297/1: 600g

TGIC:46g

Tio2(R902):350g

PV88:8g

Benzoin:5g

Extrusion Condition

Extruder: Yuanli extruder(option)

Casing setting temperature: 120-130

Kneading screw temperature: 60

R.P.M: 60

Particle size: Max 100

Curing condition: 200℃ x 10min.(MT);180x15min(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

Remark

We also provide additive.