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Below are the guideline charts for Minimum Book thickness for Case Binding on our automatic machines. You will find the PPI and the Minimum Page Count for a variety of standard stocks we use. Please note 32 pages is the minimum page count in any stock.
CALIPER THICKNESS MEASUREMENTS ARE AVERAGE
UNCOATED STOCK
50# Standard Offset = .0039 Caliper @ 512 PPI = 60 Pgs Required Min To CB (.117)
55# Westminster Trade = .0050 Caliper @ 400 PPI = 48 Pgs Required Min To CB (.120)
60# Standard Offset = .0045 Caliper @ 444 PPI = 52 Pgs Required Min To CB (.117)
CALIPER THICKNESS MEASUREMENTS ARE AVERAGE
COATED STOCK
60# Gloss Book = .0030 Caliper @ 666 PPI = 80 Pgs Required Min To CB (.120)
60# Matte Book = .0037 Caliper @ 540 PPI = 64 Pgs Required Min To CB (.118)
80# Gloss Book = .0039 Caliper @ 512 PPI = 60 Pgs Required Min To CB (.117)
80# Matte Book = .0046 Caliper @ 434 PPI = 48-52 Pgs Required Min To CB (.1104 to .120)
100# Gloss Book = .0047 Caliper @ 426 PPI = 48-52 Pgs Required Min To CB (.1128 to .122)
100# Matte Book = .0061 Caliper @ 328 PPI = 32-36 Pgs Required Min To CB (.0976 to .110)
65 # Gloss Cover = .0060 Caliper @ 334 PPI = 32-36 Pgs Required Min To CB (.0960 to .108)
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