Sometimes called semi-steel because of scrap steel content.
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Single piece phenolic resin compound molded with macerated canvas under extreme pressure and heat. |
Traditional cushioned rubber tread culcanized to a cast iron core.
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3/8" to 1/2" thick polyurethane tread is chemically bonded to a cast iron core.
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Premium polyurethane mechanically and chemically bonded to a reinforced aluminum core.
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Injection molded polyurethane tread is mechanically and chemically bonded to a polyolefin core. |
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