S SOS Digital Printing Member Jan 26, 2014 #21 Humidity AND add Colder Temps. Stiffer paper, more cracking. Take a business card indoors where it's 74 in there and fold. Now take business card outside where its 30-50 and do the same. Compare.
Humidity AND add Colder Temps. Stiffer paper, more cracking. Take a business card indoors where it's 74 in there and fold. Now take business card outside where its 30-50 and do the same. Compare.