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Ultra Black 170 C – Sirio Ultra Black Cardstock

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25 Pack Single

  • Color - Ultra Black (ebony, onyx, coal, jet black, obsidian, slate)
  • Satin smooth finish
  • Most intense shade of black cardstock on the market
  • Solid core – acid free
  • Gold standard cardstock for multi-purpose use
  • 12 by 12 inch size
  • 170 lb cover - 460 gsm
  • Sold in single sheets or packs of 25
  • Made in Italy
  • Sirio  SUB460BK

Shop our entire collection of SIRIO PRODUCTS.

Sirio Ultra Black Cardstock is the best black cardstock and the deepest black cardstock on the market! A rich, deep, dense, black cardstock that has color all the way through, so you won't get white edges when torn or cut. The 170 lb cover weight is the perfect weight that is one step up from heavy weight cardstock and one step below chipboard. The heavier weight gives added stability to projects and the deep, intense black makes all the other colors pop against it. 

*Comparable color suggestions only - NOT exact matches

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