448 is the 28 lb (105 gsm) weight in the same two-side-coated (C2S) matte range as the 24 lb sheet — 4.5 mil on a 100% virgin fibre base, coated on both faces, and built around static-head inkjet presses of the HP PageWide type. Brightness measures 96 and opacity 95%, the same optical figures as the lighter sheet; what changes is body.

What 28LB Simple Inkjet Coated Matte Paper (C2S) (448) is used for

HP PageWide static-head production printing
Two-side coated colour drawings and documents
Engineering and CAD drawings needing richer blacks
Mixed toner / inkjet reprographic fleets

The vendor’s claims for the coating hold across the range: improved ink adhesion, print quality, line acuity and image clarity on static-head technology, richer blacks and brighter colours using less ink, and less curl and cockling without losing print speed or colour accuracy. The extra half-mil of caliper here mostly buys handling — a 28 lb sheet takes being passed around a table better than a 24 lb one does.

Ink compatibility

Aqueous dye, aqueous pigment and HP PageWide are all rated BEST. Toner, latex and UV inks are each rated GOOD. This is an inkjet colour paper first; a toner room will get a print off it, but that is not what the surface was designed for.

Working with it

One practical constraint before you order: 448 is stocked in a single roll width, 24 inches, on 3-inch cores. If your plotter runs wider than that, the 24 lb version of the same construction covers 36 and 42 inches. Overlamination is not required for either; pressure-sensitive, heat-assist and thermal overlaminates are compatible where prints need surface protection from dirt, abrasion and moisture.

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