Polyester Resin NH-6583

  Applications:

      NH-6583 is a saturated carboxyl polyester resin designed for 95:5 Primid XL 552 powder coating to be cured at 180.

  Basic features: 

      Excellent flow

      Outstanding mechanical properties

      Good resistance to chemicals and fine anti-yellowing

      Pinhole free in thick films

      Durable weatherability

  Specifications:

      Appearance                            pale yellow flake

      Color(50%DMF):                       max:2

      Acid number(mgKOH/g):                 2935

      Softening point()                      100110

      Glass transition temp.( )                58

Melting viscosity(200, cone/plate, mPas):  3200800

Reactivity at 180(s, 5% XL552):          20040

  Recommend Formulation:     NH-6583/HAA

NH-6583	Primid XL-552	Filler  Pigment	Leveling agent	Benzoin
589	31	372	6	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        18010min.

  Film Properties:

      Gel time(180,sec)                    150~270

      Gloss(60):                        85%

      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%

 Equivalent resin:  UCB  CC7630; ALKENZ  PC-2802