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| Grey
Scales |
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Grey Scale have two types:
| i. |
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For assessment of change in colour in colourfastness
tests. It consists of nine pairs of non-glossy neutral
grey coloured chips which illustrate the perceived colour
differences. |
| ii. |
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For assessment of staining or colour transfer in colourfastness
tests. It consists of nine pairs of non-glossy grey and
white coloured chips which illustrate the perceived depth
of staining. |
These give a corresponding fastness rating of 5, 4-5, 4,
3-4, 3, 2-3, 2, 1-2 and 1, in wallet.
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As per ASTM/AATCC/American
Standard
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Order
Code |
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Description |
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CF2P-6101 |
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AATCC Gray Scale for Colour Change
•
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AATCC evaluation procedure 1 |
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CF2P-6102 |
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AATCC Gray Scale for Colour Staining
•
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AATCC evaluation procedure 2 |
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CF2P-6103 |
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AATCC 9 Step Chromatic Transference
Scale
•
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AATCC evaluation procedure 8 |
•
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To visually evaluation color transfer or staining,
using 60 color chips over 5 hue (red, yellow, green,
blue and purple). |
•
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To used by a less experienced technician. |
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As per BS/EN/ISO/European
Standard
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Order
Code |
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Description |
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CF2P-6301 |
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BS EN ISO M&S / SDC Grey Scale for Colour
Change
•
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Conform to the specifications as described in BS EN
20105-A02, ISO 105-A02, BS 1006 A02, M&S C2. |
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CF2P-6302 |
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BS EN ISO M&S / SDC Grey Scale for Colour
Staining
•
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Conform to the specifications as described in BS EN
20105-A03, ISO 105-A03, BS 1006 A03, M&S C2. |
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