book board thickness
A board book is a type of children's book printed on thick paperboard.the paperboard is printed and used for both the cover and the interior pages. each page panel is a minimum of two plies of paperboard thickness.. Our board books are built with quality, durability & safety in mind. board books must be printed and bound directly on thick paperboard. board books must be durable and made to withstand the chomping, chewing, bending and attempted tearing that babies and toddlers love to make part of their early reading experience.. Paper thickness approximate average caliper thickness chart. bond / writing / ledger uncoated offset book coated offset book coated cover antique cover index tag board . bond (writing, ledger, duplicator, rag paper) us basis weight size 17" x 22". 
book board thickness Heavy gray cardboard for making hardbound books. ready to cut with sharp utility knife or paper trimmer. package of four 15" x 20.5" (38 cm x 52 cm) sheets.. Thickness (mm) = grammage (gsm) * 1.55 / 1000. for example, if the grammage is 1290gsm, then. thickness (mm) = 1290 * 1.55 / 1000 = 2 mm. below is a conversion table for the common greyboard thickness and grammage that are used for the cardboard gift boxes, rigid boxes and set up boxes. 615gsm 1mm. 775gsm 1.2mm. 970gsm 1.5mm. 1160gsm 1.8mm.
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