Epoxy-Polyester

Thermosetting epoxy /polyester (HYBRID) powders with a great variety and wide selection of colors, with high gloss, semi-gloss, matt, metal and transparence finishes.
The products may provide excellent decorative appearance. The coatings are durable and adhesive with good heat resistance and superior mechanical and physical properties. The products are suitable for surface coatings for home electric appliance, furniture, document cabinet, kitchen utensils, display racks, mechanical and electrical equipment, cases of instrument and apparatus, hardwares, copper and aluminum articles etc.

:A. Principal technical indexes of Powder

Item Index Note
Appearance (visual) Homogeneous color without any agglomerate
Fineness (180 mesh sieveresidue) <0.5% Or per custom’s request
Fused flowability (mm) 15°C ± 2°C  20-70mm(tilt test)
Gel time 200±2°C  30-180s
Curing conditions 200°C±2°C  10min Effective temperature

 

:B. Properties of Coating Film

Item Index
color Per standard panel and within the range negotiated by custom or supplier
Appearances (visual) Smooth, slight orange peeled
Cured film thickness       High gloss 50kg/cm pass(both direct and reverse).Semi-,low gloss and matt: pass(both direct and reverse).
Bending test(taper spindle) 3mm pass
Impact resistance (drop hammer) 60lb/inch2
Pencil hardness 2H without scratch
Gloss (60 º  gauge head) 2H without scratch
Adhesion(cross cut test) High gloss ≥85%    Semi gloss: 51-84%   low gloss:50-15% matt type:<14%
Salt Spray test 1mm 6×6 0 grade
Humid heat resistance 500h < 1 grade
Covering 7-9 m2/kg
Outdoor sun test 12 months Good