| 31. | All portable cords are usually comprised of thermoset, thermoplastic elastomer, or thermoplastic.
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| 32. | Jaw couplings elastomers are wearing elements that do need to be inspected and replaced.
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| 33. | It is made of a rubbery plastic called thermoplastic elastomer which is FDA approved.
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| 34. | Both of these elastomers undergo strain crystallization.
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| 35. | Embrittlement or shrinkage is the common mode of failure of elastomers with exposure to ozone.
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| 36. | Ozone cracking is the common mode of failure of elastomer seals like O-rings.
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| 37. | Because of its chemical inertness, PTFE cannot be cross-linked like an elastomer.
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| 38. | Mountain bikes have made use of elastomer suspension, as did the original Mini car.
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| 39. | The elastomer skirt provides a seal between the lenses and the diver's face.
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| 40. | Another key improvement was to connect them to a short piece of silicone elastomer tubing.
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