Type BK: Plain paper, This is high-class paper of fine quality.
It is used for various uses, such as a color illustration, 40 sheets.
Type-BK is a "Kent" paper version of Type-B plain paper.
"Kent" paper is slightly more smoother than regular Type-B.
Has "Kent" paper's characteristic "blue-ish white" color.
Availalbe in size A4 and B4, thickness of 110kg and 135kg.