Pure Epoxy Powder Coating1.Technical of Powder(1) State and appearance of powder in vessel : Powdery,uniform color,dry,caking free,impurity free(2) Curing time : 180C ( work piece temperature ), 15 minutes.(3) Horizontal melting fluidity(mm):19~25(4)
Detailed introduction to Pure Epoxy Powder Coating:
Pure Epoxy Powder Coating
1.Technical of Powder
(1) State and appearance of powder in vessel : Powdery,uniform color,dry,caking free,impurity free
(2) Curing time : 180C ( work piece temperature ), 15 minutes.
(3) Horizontal melting fluidity(mm):19~25
(4) Powder Coating Storage :a) Stored in dry place in closed packares
b) Temperature:below 30C
c) Time:12 monthes
2.Technical indexes of powder coating
(1)Appearance : flat and smooth coating film,free of blister,slight orange peel surface can allowable
(2)Powder Coating Glossness:high-gloss(86%morethan),gloss(76-85%),semi-gloss(50%-70%).sub-gloss(under 20%)(according client)
(3)Impact strength(trickness below 75um):50KG
(4)Adhesive force :0-1 level
(5)Bending text (film thickness below 75um):1mm-2mm
(6)Pencil Hardness:H-2H
(7)Density:1.4-1.8
3.Powder feature:
Testing material | (70mm×150mm×0.8mm) Cold rolled armor plate | |
Pretreatment | Zinc phosphate |
|
Testing items | Testing method | Testing result |
Appearance | visual test | plain and smooth |
Coating thickness | um thickness tester | 60-80 |
Solidifying condition | warm box | 180°C×20min |
Luster | 60 degrees mirror | ≥90 |
Impact intension | 50kg.cm heavy hammer | ≥50 |
Tensile test | 180 degrees bending | 2mm |
Adhesive force | 1mm×1mm×100 | 100% |
Surface rigidity | Pencil hardness (Zhonghua) | H-2H |
Salt fog test | 400 hours | ≤3mm |
Humid endurance | 400 hours | good |
Acid resistance | 5%HCL,240 hours | good |
Salt resistance | 5%NaOH,240 hours | good |
4.Property:
1) Fine chemical resistance
2) Fine adnesice force
3) Good mechanical property
4) Fine resistance to elements
Packing:
Carton packaging.with 2 plastic bag, the net weight is 20kg/CTN(25x28x43CM)