1, different protection: cardboard is more protective, which can avoid direct contact between art and glass and reduce damage; Silk cloth is weak in protection and is often used for painting and calligraphy mounting.
2. Different levels of use: Cardboard is the basic component of mounting, which can improve the overall visual effect of works of art, is the industry standard and is widely used; There are many grades of silk fabrics, which are divided into pure silkworm silk fabrics, synthetic fabrics and interwoven fabrics according to raw materials.