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DIFFUSE OPACITY OF PAPER (d/0 PAPER BACKING)
Format: PDF
Language: English
Product Type: Digital
Provider: TAPPI
Shipping: Available for download - Link will be provided in My ComplianceOnline section
Language: English
Product Type: Digital
Provider: TAPPI
Shipping: Available for download - Link will be provided in My ComplianceOnline section
Price:
$53.00
Product Details
This method provides a measure of diffuse opacity (paper backing) of white and near-white papers, previously known as “printing opacity.”
The method may be employed for colored papers on condition that their reflectance (paper backing) is greater than 20% and their diffuse opacity (paper backing) is greater than 45% (1).
The method is not suitable for highly transparent papers such as glassine.
This method employs d/0 geometry, illuminant C, and paper backing whereas TAPPI T 425 “Opacity of Paper” employs 15/d geometry, illuminant A, both 89% reflectance backing and paper backing.
This method is similar to ISO 2471.
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