Nylon caster is an important branch of abrasive tools, and it is a grinding product after strong cutting grinding products such as abrasive belt grinding wheel.
Nylon wheel products are mainly composed of nylon fiber web, grinding medium (ore), bonding resin and other main components, in which various auxiliaries such as endothermic auxiliaries, fillers and pigments may be added.
It has good oil resistance, toughness, wear resistance, aging resistance and adhesion. Materials suitable for a wide temperature range (-50 ~ 150 ℃) can be prepared from different raw materials, including elastomers, thermoplastic resins and thermosetting resins. It is not resistant to hydrolysis at high temperature and alkaline medium. Therefore, in general, the casters of nylon materials are relatively high in hardness and wear-resistant. It is better in bearing weight. Polyurethane casters are softer, and their strength is worse than nylon casters, but their silencing effect will be much better and their comprehensive ability will be high.
1. The material properties of the two are different. Polyurethane wheel material is relatively soft, good friction resistance and low noise; However, nylon wheels are relatively hard in texture, and their friction resistance is slightly different from that of polyurethane. For example, fabrics made of nylon are also wear-resistant.
2. The materials of polyurethane wheel and nylon wheel are different. Polyurethane is formed by polymerizing isocyanate (monomer) with hydroxyl compound. Because it contains strong polar carbamate groups and is insoluble in nonpolar groups, it has good oil resistance, toughness, wear resistance, aging resistance and adhesion. Materials suitable for a wide temperature range (-50 ~ 150 ℃) can be prepared from different raw materials, including elastomers, thermoplastic resins and thermosetting resins. It is not resistant to hydrolysis at high temperature and alkaline medium.
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