Views:162 Author:Site Editor Publish Time: 2020-05-27 Origin:Site
At present, there are many brands in the caster wheel market, the quality of products varies, and the prices of products vary greatly. Many small factories that do not have R & D capabilities will choose to imitate the color and appearance of some branded products, use recycled materials and some counterfeit materials to sub-fill them, mix them with fish, and then sell them at very low prices, disrupting the market and endangering the rights of consumers.
The simple identification method of several commonly used materials for caster wheel-"combustion method", to distinguish the material according to the flame, smoke odor and ash after burning:
Polyurethane (PU): It is easy to burn. There is light white smoke when burning, easy to melt, no irritating smell, and sticky filaments.
Polyvinyl Chloride (PVC): It is easy to burn, there is thick black smoke when burning, there is a pungent odor, there is no sticky filament burning, and the surface after burning is black toner.
Polypropylene (PP): Easy to burn, with a slight plastic smell, the surface melts evenly when burning, and has a sticky filament shape.
Nylon (PA): It is not easy to burn. There is a smell of burning hair when burning. The surface of the fire is bubbly and sticky.
High temperature resistant caster wheel: The burning condition is the same as PA material, but there is white powder on the surface after burning.
In our daily life, caster wheel occupy a very important position. Widely used in medicine, industry, supermarket, home furnishing and other fields. According to the caster wheel production materials, it is mainly divided into super artificial rubber caster wheel, polyurethane caster wheel, plastic caster wheel, nylon caster wheel, high temperature resistant caster wheel, rubber caster wheel, s-type artificial rubber caster wheel, etc. Different caster wheel have different materials and manufacturing methods. Even if they are the same caster wheel, if the color is different, the material formula is also different.