Earlier this week, AMD quietly cut the price of its processor chips. The latest round of discounts is to defend against competition from Intel, mainly distributed on desktop processors. We are pleased to see the establishment of cheap quad-core systems. The possibility has been realized, the price of Athlon X4 640 has dropped to 100 US dollars, while the black box Phenom II X4 also began to enter a reasonable price range, but the price of the six-core CPU has not changed. Heat-Shrink Tubing is a shrinkable plastic tube used to insulate wires, providing abrasion resistance and environmental protection for stranded and solid wire conductors, connections, joints and terminals in electrical work. Optical Fiber Protection sleeves are used for holding and protecting fusion fiber splice point . It can also be used to repair the insulation on wires or to bundle them together, to protect wires or small parts from minor abrasion, and to create cable entry seals, offering environmental sealing protection. Heat-shrink tubing is ordinarily made of nylon or polyolefin, which shrinks radially (but not longitudinally) when heated, to between one-half and one-sixth of its diameter.
Heat-shrink tubing is manufactured in a multitude of varieties and chemical makeups with the exact composition of each type being dependent on the intended application. From near microscopically-thin-wall tubing to rigid, heavy-wall tubing, each type has precise design and chemical additives that make it suitable for meeting any of a wide variety of environmental demands. Heat-shrink tubing is rated by its expansion ratio, a comparison of the differences in expansion and recovery rate.
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