China 50/50 Hybrid Cure Powder Coating Polyester Resins , Polyester Resin Heat Resistance Fast Cure for sale

50/50 Hybrid Cure Powder Coating Polyester Resins , Polyester Resin Heat Resistance Fast Cure

Price Negotiable

Price: Negotiable

MOQ: 500KG

Delivery Time: 10 working days

Brand: KINTE

Product Description

Fast cure Epoxy polyester hybrid cure HH2581

◇ Applications:

HH2581 is a carboxyl polyester resin designed for 50/50 hybrid powder coatings to be cured at 180℃.

◇ Basic features:

Excellent leveling

Good mechanical properties

Good storage stability

◇ Specifications:

Appearance: white or light yellow transparent flakes

Color(50%DMF) : max:3

Acid number(mgKOH/g): 69～75

Softening point(℃) : 93～103

Glass transition temp.( ℃) :～55

Melting viscosity(200℃, cone/plate, mPa·s): 2000±3500

Reactivity at 180℃(s, 50% Epoxy): 100～200

◇ Recommend Formulation:

◇ Extrusion Condition:

Two-screw extruder

Zone I: 90～110℃ Zone II: 110～120℃

Speed of revolution: 500～1200rpm

Fineness of powder: ＜100μm

◇ Application Condition:

Electrostatic spraying with: 40～70KV

Coating film thickness: 50～70μm

Degreased cold-rolled steel 0.5mm

◇ Curing Requirement: 180℃×10min

◇ Film Properties:

Gel time(180℃,sec): 100~200

Horizontal flow:(180℃), mm: 27~30

Gloss(60°): ≥90%

Bending(φ1mm): pass

Adhesive(1mm,grade): 0

Pencil hardness: 1H

Impact(direct, reserve): pass 50kg·cm

Code

Ratio

Cure cycle

Acid value

(mgKOH/g)

Viscosity

(mPa.s/200°c)

Tg(°c)

Reactivity

(s/180°c)

Properties

HH2581

50:50

180°C/10mins

67-75

2000-3500

~55

100-200

Fast cure,excellent mechanical property,good flow

◇ Packaging:PE bags, N.W. 25KG±0.1KG / bag

Remarks:all the polyester resins could be customizes to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)

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