Materials in the product design occupies an important position, designers must be familiar with the product needs to be used in the properties and role of the material, and choose the most appropriate material, in the selection of materials, designers need to take into account the product in the use of functionality, technology, economy, environmental protection and other aspects of the requirements.
Whether the material can meet the functional requirements of the product is directly related to the quality of the product, and even success or failure, which is mainly reflected in the function of the product, modeling dimensions, reliability, quality and other aspects of the material limitations, as well as the product of some special functional attributes, such as waterproof, dustproof, shockproof and other aspects of the requirements of the designers in the selection of the product materials need to be considered.