Card stock construction
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Smoothness: 135-157 g/m
2
(36-to 42-pound) card stock should have a smoothness rating of
100 to 180 Sheffield. 60-135 g/m
2
(16- to 36-pound) card stock should have a smoothness
rating of 100 to 250 Sheffield.
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Construction: Card stock should lie flat with less than 5 mm (0.2 inch) of curl.
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Condition: Make sure that the card stock is not wrinkled, nicked, or otherwise damaged.
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Sizes: Only use card stock within the following size ranges:
• Minimum: 76 x 127 mm (3 x 5 inches)
• Maximum: 216 x 356 mm (8.5 x 14 inches)