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Polyurethane Properties
The diverse properties of castable polyurethane make it the leading choice of engineers looking for long lasting materials for their high load, high stress environments. Polyurethane routinely outperforms plastic, rubber and steel in its overall ability to resist harsh environmental factors such as abrasion, heat, solvents, oil and acid. In addition, polyurethane ‘s noise abatement ability makes it the preferred material in chain-drive designs, conveyor belt systems and assembly line environments. In today’s manufacturing environments where the cost of downtime is measured in thousands of dollars per hour, polyurethane’s incredible durability increases your company’s profitability.
Physical Properties of Polyurethane
The physical properties of polyurethane are considerable. Polyurethane performs well for hardness, tensile strength, compression strength, impact resistance, abrasion resistance and tear strength.
Typical Physical Properties of Compounds of Polyurethane
How hard is Polyurethane?
The graph below, shows the relative hardness ratings available with polyurethane versus rubber and plastic. As you can see polyurethane is an extremely versatile substance. Best of all, polyurethane parts have longer service lives than those made from rubber and plastic.
Polyurethane Chemical Resistance
The chemical resistance of polyurethane is broad across multiple substances. The table below shows the oil, chemical & solvent resistance of polyurethane to a sampling of substances.
Typical Polyurethane Applications
The physical properties of polyurethane are considerable. Polyurethane performs well for hardness, tensile strength, compression strength, impact resistance, abrasion resistance and tear strength. The chart below shows the physical properties of polyurethane.
The excellent load-bearing and shock absorbing qualities of urethane, as well as improved cost/performance make it the material of choice in the manufacture of escalator and tires.
Polyurethane replaces wood and plastic elastomers in the manufacture of cutting sticks and die-cutting pads for use in printers, paper cutters and embossing machines.
Reduced production costs, improved wear and abrasion resistance, and noise abatement makes polyurethane the wise choice in chain-drive design for small business machines.
Polyurethane eliminates the costly process of machine fitting metal bearing-adapters into the metal tubes used on airport conveyer belt systems.
Polyurethane eliminates the common problems associated with rubber and plastic compounds in the fabrication of paper rollers that require high traction, non-marking surfaces.
The excellent load bearing capacity and wide range of resiliency make polyurethane the ideal material for the manufacture of shock absorbing gun mounts.
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