It can prevent light transmission and perspective, prevent cheating, and maintain fairness and justice. Here, the so-called 310G, 305g and 280g refer to the weight of a square meter of black core paper, which also has the advantages that other materials of paper cannot match.īlack core paper is more used in international casino playing cards. In the card printing industry, 310G black core imported from Germany, 305g black core imported from France and 280g Chinese black core are common. But the paper cores used in cards are also differentiated, generally divided into: black core paper, blue core paper, gray core paper, Zhonghua paper, etc., of which black core paper has the best quality and the highest quality, but the cost is much higher than other materials.ĭifferent kinds of black core paper are also different. Paper core is to use the printing method of sandwich paper, and add paper core to the card to make the card have higher quality. Yhx-pk-004playing card and poker, Custom Casino Quality Playing Cards with Gilding box made in China The double-sided playing card oil is exquisite, noble and atmospheric. The material of the outer packing box is black core paper plus bronzing technology. The Casino Quality Playing Cards is a black core paper playing card customized by the guests.