Polyester Resin
Polyester Resin

Item specifics

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Product review

Description

 

POLYESTER RESIN P-516 (50:50)

Properties

P-516 is a carboxyl saturated polyester resin, which is used tegether with epoxy resin (by 50: 50) to produce hybrid powder coatings with more pigment paddings allowable to be added, giving high gloss, good flow effect, wonderful mechanical properties, pretty decorative effects, excellent yellowing resistance and marked durability.

Specifications

Appearance:                 Light yellow & clear granule

Acid value (mgKOH/g):        68-80

Softening point (℃):           96-115 (Ring & Ball Method)

Glass Transition Temperature(℃): ≥ 55±3

Viscosity (175℃/ mPa.s):        3000-4000

Package

Packed in 25kgs Polyethylene bags.

 

Storage stability

Stored in the original bags and in a ventilative, dry and clean place under 30℃ and valid for one year.

Recommended Formulation

Ingredients

Weight

P-516 (50:50)

300g

Padding

375g

Benzoin

5g

Ingredients

Weight

Epoxy Resin (E-12)

300g

Flow agent

10g

Leveling agent

10g

Technical condition for coatings

Extruder

SLJ-30AF

Helix Pole Temperature

80℃

Curing Condition

185℃ for 15 min. (Metal temperature)

Clamp Set Temperature

100-120℃

Rotational Speed

70rpm

Coating Film Properties

Film Thickness

60±10 μm

Bend (mm)

≤ 6

Pencil Hardness

≥ 1H

Gloss (60℃)

90%

Impact Intensity

≥ 50kg.cm