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Thermoset Polyester(also called P series)Powders are
produced on the basis of high grade polyester resin specialized
for powder coatings production.
This product may provide coating film with tough and durable,high
gloss,good weatherability especially outdoor exposure durability,
heat resistant and excellent anticorrosive and antiblooming properties.
This product is suitable for surface coating for electrical equipments,heating
and ventilating facilities, bike and autoparts,farm machineries,
labels and sign boards,daily hardwares,steel window frame,air conditioner,aluminium
articles,outdoor utensils etc.
I.Principal Technical Indexes of Powder:
|
Item |
Index |
| Appearance(visual) |
porous without particle agglomerate,
homogeneous colour |
| Density(g/cm3) |
1.4~1.6, depending on colour |
Horizontal fused flowability(mm) |
25~35 |
| Fineness(200mesh sieve residue) |
<0.5% |
Storage stability(room temperature) |
18months |
Curing conditions |
180~200oC/8~20min |
II.Coating Film Properties:
|
Item |
Index |
| Appearance of film(visual) |
smooth,light orange peel is permissble |
| Cured film thickness |
|
| Gloss(60ogauge head) |
>85% |
| Impact resistance(drop hammer) |
50kg.cm(4.9Nm)pass |
| Cupping test |
>6mm |
| Scratch hardness |
4kg(39N)pass |
| Bending test(Tapering spindle) |
3mm pass |
| Cross hatch adhesion |
100% adhesive |
| Surface hardness |
1-2H |
| Salt spray test |
1000 hr.pass |
| Humidity resistance |
1000 hr.pass |
| Water immersion test |
240 hr.pass |
| Anti-ultraviolet test |
excellent |
| Boiling detergent test 24hr. |
no change |
| Outdoor sun test 12 mth. |
good,no blooming |
| Acid resistance(5%HCL) |
240 hr.pass |
| Alkali resistance(5%NaOH) |
240 hr.pass |
| Gasoline resistance(120#gasoline) |
240 hr.pass |
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Chinese
Thermoset
Epoxy/Polyester