TAPPI T 562

Description

TAPPI T 562 – CIE whiteness and tint of paper and paperboard (45/0 geometry, C/2 illuminant/observer)

This method is to be used to determine the CIE whiteness and tint indicies (1) of white or near white specimens with or without optical brighteners. Whiteness differs fundamentally from paper brightness in that whiteness includes the entire visible spectrum in its assessment whereas brightness includes only the blue portion of the spectrum.

Product Details

Published:

01/01/2021

Number of Pages:

5

File Size:

1 file , 370 KB

Note:

This product is unavailable in Ukraine, Russia, Belarus