- 100% Cotton Base with Rounded Corners
  - Basis Weight: 305 gsm
  - Thickness: 18.9 mil
  - Opacity: 99%
  - Whiteness: 94%
  - Moderate OBA Content
  - Instant Drying & Water Resistant
  - Acid-Free & Calcium Carbonate Buffered
  - Surface Finish: Smooth Matte
  - Metal Tin Case Included
  
      This 30-pack of 4 x 6" Photo Rag Ultra Smooth FineArt Photo Cards with rounded corners from Hahnemuhle comes packaged in a tin box with an embossed Hahnemuhle rooster logo for protecting your prints and for use as a portable portfolio or archive. The smooth matte paper has a 100% cotton base as well as a heavy weight of 305 gsm. The paper also offers an 18.9 mil thickness, an opacity of 99%, and a whiteness rated at 94%. This high whiteness is achieved through a moderate use of optical brightening agents. The paper is also acid-free and calcium carbonate buffered for longevity and is easy to handle thanks to its instant drying and very high water resistance. 
               | Material |  100% cotton |  
  | Basis Weight |  305 gsm |  
  | Thickness |  18.9 mil / 0.48 mm |  
  | Opacity |  99% |  
  | Whiteness |  94% |  
  | OBA Content |  Yes |  
  | pH-Value Total |  8.5 |  
  | Calcium Carbonate Buffered |  Yes |  
  | Water Resistance |  Very high |  
  | Drying Rate |  Instant |  
  | Surface Finish |  Smooth matte |  
  | Size |  4 x 6" / 10.2 x 15.2 cm |  
  
    |  Packaging Info  |  
  | Package Weight |  0.55 lb |  
  | Box Dimensions (LxWxH) |  6.0 x 4.2 x 0.9" |  
  
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