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AA 20 AFU and 5 AFU Blue Wool Lightfastness Standard, L2 Lot 9

  • Testfabrics.
Item Number:

0307002


Available In:

Each

Minimum Order Quantity:

1 Unit

Item Description:

Use Blue Wool Lightfastness Standard specimens to calibrate and verify lightfastness testing as specified in applicable AATCC Test Methods. Measure 20 AATCC Fading Units (AFU) (85 kJ/m2nm @ 420 nm) or 5 AFU (21 kJ/m2nm @ 420 nm). L2 is approved for use in place of L4 for 20 AFU tests.

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