Polyester Resin

group name: Plastic&Rubber Auxiliary Agents

Min Order: 1 piece

update time: Thu, 05 Dec 2019 16:50:34 GMT

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Paramtents

white flakes

Packging & Delivery

Min Order1 piece

Briefing

1. carboxyl saturated polyester resin
2.be used together with epoxy resin for powder coating

Detailed

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