View source for Crane Museo Portfolio Rag

*'''Type''' - 100% cotton · acid-free · semigloss finish
*'''Manufacturer's description''' - Museo® Portfolio Rag™ combines an extra smooth cotton base with our advanced coating to bring you a paper that feels luxurious and provides world-class image quality. Use Museo® Portfolio Rag™ for your museum exhibition and portfolio prints and when you need exceptional tonal range on a surface that will not detract from your photographic images.
*'''Optical Brightening Agents''' - none
*'''Weight''' - 300 gsm 
*'''Thickness''' - 3.8 mil 
*'''Brightness''' - 91.0
*'''pH''' -  7.9 - 8.5
*'''Manufacturer's data sheet''' - [http://www.museofineart.com/files/2612/9987/5990/Sell_Sheet_Portfolio.pdf pdf]
*'''Test labs'''
**[http://aardenburg-imaging.com/ Aardenburg Status]
*'''Archival Rated Printers for the Specified Paper'''
**[[Canon imagePROGRAF iPF5000]] > 260 Mlux hrs 
**[[Epson Stylus Pro 7800]] > 220 Mlux hrs

=== Notes ===

:Mlux hrs  indicates the amount of light exposure (expressed in megalux hours of exposure) that the sample has received to date in test. Testing typically continues well beyond the exposure dose required to establish the Conservation Display Ratings and until high levels of easily noticeable fade have occurred. [http://aardenburg-imaging.com/cgi-bin/mrk/_4534c2hvd19kb2NfbGlzdC80 Aardenburg Status]