All the surface finishes on the seed beads from the PRECIOSA Traditional Czech Beads brand undergo resistance testing.
The range of seed beads from the PRECIOSA Traditional Czech Beads™ is tested for surface of the seed beads and surface coating resistance.
All tested seed beads are therefore divided into 5 groups.
|
Resistance group |
Description |
|
|
0 |
Not tested |
- |
|
1 |
Very resistant |
Unchanged |
|
2 |
Resistant |
Slight change |
|
3 |
Medium resistance |
Slight abrasion, a slight change of appearance |
|
4 |
Low resistance |
Possible abrasion, a change of appearance |
|
5 |
Very low resistance |
Possible degradation and chance of appearance |
All the surface finishes on the seed beads from the PRECIOSA Traditional Czech Beads™ brand undergo resistance testing.
Take a look at how these tests are performed.
ABRASION RESISTANCE
The test ascertains the abrasion of a decor using an Elcometer device.
THE COSMETIC TEST
The test verifies the resistence to solvents and alcohol-based cosmetic preparations.
THE INFLUENCE OF WATER ACTION
The test verifies the affects of warm, cold and sea water.
THE ARTIFICIAL SWEAT TEST
The test verifies the resistence to sweat.
THE LIGHT-FASTNESS TEST
The test veries the resistence to the effect of UV radiation – checking that the colors do not fade.
THE WEAR TEST
The test ascertains the resistence during use on the basic of a strung bracelet.
THE WASH TEST
The test ascertains the resistence when washed in regular wash cycle at 40°C and dried with hot steam in a drayer.
View the Seed Beads Colors with the information about the color coating resistance.
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