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Comparative analysis of various paintwork materials by application properties |
 |
| Properties |
PF-115 enamel |
Alkyd-urethane enamel |
Alkyd-styrene enamel |
Alkyd-acrylic enamel |
Styrene-acrylic enamel |
Test method |
Appearance after application
|
After drying enamel coating is smooth, uniform, without any craters, pores, and wrinkles. Slight shagreen is acceptable. |
|
| Non-volatiles, % |
57-68 |
58-64 |
54-57 |
52-58 |
55-60 |
GOSÒ 17537-72 |
|
Coating drying time, h
à) at (20±2)°Ñ
- to degree 1
- to degree 3
b) coating drying at lower temperatures(0-5)°Ñ
c) to degree 3 at (87±2)°Ñ |
8-12
up to 24
does not dry |
1,0-1,5
2,5-4,5
does not dry |
10 minutes
0,5
dries |
2-3
5-6
does not dry
1,5
|
0,5
1,5-3,0
dries
|
GOSÒ 19007-73 |
|
Coating hardness by TML pendulum tester, pendulum A, relative units
- drying at (20±2)°Ñ in 24 hours 48 hours
- drying at (87±2)°Ñ |
0,08-0,1
0,10-0,12 |
0,20-0,25 0,30-0,35 |
0,20-0,22 0,28-0,30 |
0,16-0,18 0,25-0,35 |
min 0,25
|
GOSÒ 5233-89 |
| Film impact strength, cm (in 24 hours) |
50 |
50 |
50 |
50 |
Depending on paintwork material formulation.
With adding plasticizer -50
|
GOSÒ 4765-73 |
| Film flexural resilience, mm (in 24 hours) |
1 |
1 |
1 |
1 |
1 |
GOSÒ 6806-73 |
| Adhesion, degree (in 24 hours) |
1 |
- |
1 |
1 |
1 |
GOSÒ 15140-78 |
Film gloss by photoelectric gloss meter FV-2- gloss enamel
|
50-60 |
50-60 |
55-65 |
55-65 |
65-70 |
GOSÒ 896-69 |
Film resistance to elevated temperature, moisture, and sunlight, cycles
|
The coating looses its protective and decorative properties |
The coating looses its protective and decorative properties |
Excellent 10 |
Excellent 10 |
Excellent 10 |
GOSÒ 15157-69 |
Water resistance of the film at (20±2)°Ñ, hours 2
|
2 |
min 30 |
min 30 |
min 48 |
min 24 |
GOSÒ 21065-75 |
Film resistance at (20±2)°Ñ, hours, to
- mineral oil
- gasoline |
24 does not pass |
36 |
48
8- passes |
48
12- passes |
48 passes
does not pass |
GOSÒ 21065-75 |
Coating resistance to aggressive influences, hours, 25% alkali solution
|
does not pass
does not pass |
- |
does not pass 24-passes |
- |
24- passes
does not pass |
Double coating of enamel was applied on metal rods.The rods
were put in aggressive medium. |
|
Abrasion strength |
- |
good |
good |
good |
excellent |
|
| Dilution to application viscosity (solvent) |
white spirit, solvent-naphtha |
white spirit, solvent-naphtha |
solvent-naphtha, xylene |
solvent-naphtha, xylene |
solvent-naphtha, xylene |
|
| Application method |
Enamels are applied onto the surface by spraying, dipping, with a brush.
|
|
Consumption rate of
drier Anti-skinning product (OxyChim-M)
|
8-12
1-3 |
13-17
2-3 |
3-4
1-2 |
12-14
2 |
- |
|
|
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Comparative analysis 
