... , office facility, interior decoration, machinery, toy2) Polyester powder coatinga) Polyester powder coating made of carboxyl-functional polyester resin andTGL hardener, generally ... agglomerate, homogeneous color Density(g/cm 3 ) 1.4~1.6, depending on color Fineness(200 mesh sieve ... 51~84%, matt Type: 5-50% Impact resistance 50kg(4.9Nm) pass Cupping test > 7mmScratch hardness4kg(39N) pass Bending ...