Polyester Resin NH-3306

  Applications:

      NH3306 is saturated carboxyl polyester resin for applications of polyester/TGIC powder coating system.

  Basic features:

      Good flow

      Good mechanical properties

      Excellent of heat Resistance and Excellent anti-yellowing

      Excellent storage stability

      Super Durable weatherIng resistance

  Specifications:

      Appearance                         pale yellow flake

      Color(50%DMF):                    max:2

      Acid number(mgKOH/g):              3036

      Softening point():                  105115

      Glass transition temp.():              69

Melting viscosity(200, Cone/plate, mPas):  75002000

Reactivity at 180(s, 7% TGIC):          14030

  Recommend Formulation:NH3306TGIC

NH3306	TGIC	Filler  pigment	Leveling agent	Benzion
564	42	384	7	3

  Extrusion Condition:

      Two-screw extruder

      Zone I: 90110     Zone II: 110120

      Speed of revolution:  5001200rpm

      Fineness of powder: 100m

  Application Condition:

      Electrostatic spraying with:  4070KV

      Coating film thickness:     50100m

      Degreased cold-rolled steel  0.5mm

  Curing Requirement: 20010~20min

  Film Properties:

      Gel time(180,sec)                    240~330

      Gloss(60):                       90%

      Bending(1mm):                   pass

      Adhesive(1mm,grade):                0

      Pencil hardness:                        1H

      Impact(Direct,Reserve):              pass 50kgcm

      Storage test(40,24hr):             good

      Weatherability:

        QUV A353  1000hr:Maintenance gloss: 80%

        QUV B313  240hr: maintenance gloss: 80%