Heat shrink tubing may not sound like an interesting topic, but the truth is you use it every day. You use it to plug your computer in, charge you cell phone, and listen to your iPod. A Elastomeric Heat Shrink Tubing is a plastic tube that shrinks in diameter when in contact with heat. They are used to hold and protect electrical wires, and vary in thickness, width, and color.
Standard heat shrink tubing tends to shrink at a temperature of between 80 and 90 °C. There are other heat shrink tubing materials that are more hardwearing, and that require temperatures of more than double that for them to be shrank.
Heavy wall heat shrink tubing is designed for use in the medical industry, and can be heat shrunk at very low temperatures. This is important because it allows the tubing to be used to protect delicate components. The tubing is very flexible, and can be used at its normal size if required.
Heavy wall heat shrink tubing is still quite durable, and can operate at very cold temperatures. The melting point of thin wall heat shrink tubing is approximately 235 °C.

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