Installation height of pu castor area after operation, the influence of the installation of the pu castor height we need to pay attention to, pu castor stent surface treatment usually is galvanized and painted black. Stents in the market, what do you usually see in two kinds of color: silver and black. By electroplating, plating silver is on a layer of zinc, make the color of the stent silver; Black is spray paint spray black oil, make the color of the stent into silver. Double bearing stability than single bearing, single bearing drive faster. Double bearing used in high-end products, stability, mute effect and the bearing capacity is better than single bearing. A simplified version of the single bearing is bearing, although performance than double bearings, but compared with other bearing, high cost performance, if want to save costs, you can use the single bearing. Commonly used edge brake abroad, domestic use double brake. And brake more humanized design, suitable for many devices, price is relatively cheap. Double brake appearance more beautiful, installation, & need to pay attention to the other; The installation height & throughout; Requirements. The wheels of the iron more corrosion resistance than other wheels? No, regular polyurethane casters manufacturer production of single wheel is through salt spray test, meet the national standard, you buy iron core wheel, the price is more expensive. More news and information about pu castor please click: hynews / 424. html