This material is available in a variety of cover materials, which are bonded to the back of timing belts. The cellular rubber materials come in 6-, 10- and 12-mm thicknesses, and can endure temperatures of -40 to 158F, or -40 to 70C. It resists abrasions, cuts and tears, has a high coefficient of friction and very high elasticity. It also has high sound-absorbing and shock- and noise-dampening ability.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.