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Material classification of three-dimensional painting
The material used to make stereoscopic paintings is called "grating material". "Grating" is a general term, which can be divided into many types according to its characteristics, uses, number of lines or materials. According to the material category, it is divided into the following categories:

polyvinyl chloride

It is a kind of soft three-dimensional grating, and the three-dimensional finished product can be rolled into a roll. Its performance is ultra-thin and soft, and it is mainly used for commodity labels and product packaging. Suitable for clothing, shoes and hats, bags, schoolbags, wallets, bags, cosmetics labels, sugar, tobacco and alcohol labels, etc.

Parcel Post

It is a hard three-dimensional grating, but it also has a certain softness. The material is not stable, and the shape will expand with heat and contract with cold under the influence of temperature. It is not suitable for stereoscopic painting, and is mainly used for stationery and product decoration.

Positron emission computed tomography (positron emission computed tomography)

It is a kind of hard three-dimensional grating with stable data, and its thickness is 0.3- 1 mm, which is suitable for making small and medium-sized pictures. At close range, the back of the grating can be directly used for stereoscopic painting, and the effect is very delicate. Suitable for 3D postcards/greeting cards, tickets, labels, bookmarks, poster covers, desk calendars, tiles, cards, etc.

Postscript (same as postscript); Police officer (police sergeant)

Hard texture, not easy to bend, slightly poor light transmission and poor wear resistance. The material performance is not as stable as PET, and the refined data is unstable. Generally, it is 2-4 mm thick, but also 5-6 mm thick. This thick grating has no advantage over PET in making small pictures, and is suitable for making large pictures, generally about 50 * 40cm to 2 m.. The stereoscopic effect of PS grating plate is stronger than that of PET, but its price is about 40% lower than that of PMMA grating plate, which is loved by the majority of stereoscopic producers. Almost all grating material manufacturers in China use PS raw materials to produce grating plates.