Polyester Resins for Powder Coating

Application

 P6060polyester resinE is a kind of polyester resin mixed with epoxy resin in 60/40 for epoxy/polyester powder coatings.

  Properties

  P6055polyester resin is provided with

  Good concretion
  High gloss
  Good flow
  Good mechanical properties
  Perfect anti-yellowing
  Good storage stability

  Specifications

  Appearance Chip
  Color(50%DMG)max 4
  Acid Value,mg KON/g 50-60
  Softening Point 95-110
  Tg,°C ≥ 50

  Package and Shelf life

  Every bag contains 25kg, 500kg or 750kg at the buyer’s option.
One year in a dry and good ventilated place at
temperature below 30°C

 Recommended

Formulation

  P6060 390g
  Epoxy Resin(E-12)   260g
  TiO2 350g
  Flow agent(SF-2)   50g
  Benzoin   5g

Extrusion Condition

  Extruder BUSS PLK46
  Casing setting temp°C 110-120
  Kneading screw temp.,°C 70
  R.P.M 50
  Particle size μm,max 100
  Curing Condition 180°C×15min

Film Properties

  Thickness μm 60+/-10
  Gloss,60°(%),≥90
  Cross-hatch adhision(2mm) 0
  Belting,mm,min≤6
  Slow penetration.mm.max ≥7
  Impact,Kg.cm 50
  Hardness(pencil),H 1-2

Application Condition

  Spraying tension,KV 60
  Degreased cold-rolled steel,mm 0.5