There is a question about nylon casters please teach, is thick German nylon casters why it will break it

First: wear and tear reasons, no matter what things, after a long time will appear wear and tear, damage.

Second: the texture of nylon is a little hard, if it is more than a certain strength is also possible to break, nylon wheel is an important branch of the abrasive abrasive products, following the belt wheel and other strong cutting abrasive products after the abrasive products. Nylon wheel products are mainly composed of nylon fiber mesh, abrasive media (mineral sand), bonding resin and other major components, which may add heat-absorbing additives, fillers, colorants and other various additives.

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