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Electric Heating Pad – NSL BC-220 Bestcare (Taiwan)

  • Soothing warmth relieves tired, aching muscles and temporary arthritic pain.
    • Besmed heating pads are versatile and light weight, comfortable to use.
    • Use them on most parts of the body, arms legs, shoulders, back abdomen, elbows,   

  knees, ankles.
• Absorbent sponge provides penetrating moist heat.
• Soft cover with tie bands to hold the heating pad in place.
• Removable, washable cover with snap closure.
• 100% moisture-proof, vinyl covered pad

Description

A Heating Pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted tissue. Types of heating pads include electricalchemical and hot water bottles.

Specialized heating pads (mats) are also used in other settings. Heat mats in plant propagation stimulates seed germination and root development; they operate at cooler temperatures. Heat mats also are available in the pet trade, especially as warming spots for reptiles such as lizards and snakes.
moist Heating Pad is used dry on the user’s skin. These pads register temperatures from 76 to 82 °C (169 to 180 °F) and are intended for deep tissue treatment and can be dangerous if left on unattended. Moist heating pads are used mainly by physical therapists but can be found for home use. A moist cloth can be added with a stupe cover to add more moisture to the treatment.

Disposable chemical pads employ a one-time exothermic chemical reaction. One type, frequently used for hand warmers, is triggered by unwrapping an air-tight packet containing slightly moist iron powder and salt or catalysts which rusts over a period of hours after being exposed to oxygen in the air. Another type contains separate compartments within the pad; when the user squeezes the pad, a barrier ruptures and the compartments mix, producing heat such as the enthalpy change of solution of calcium chloride dissolving.

The most common reusable heat pads contain a supersaturated solution of sodium acetate in water. Crystallization is triggered by flexing a small flat disc of notched ferrous metal embedded in the liquid. Pressing the disc releases very tiny adhered crystals of sodium acetate[1] into the solution which then act as nucleation sites for the crystallization of the sodium acetate into the hydrated salt (sodium acetate trihydrate, CH3COONa·3H2O). Because the liquid is supersaturated, this makes the solution crystallize suddenly, thereby releasing the energy of the crystal lattice. The use of the metal disc was invented in 1978.[2]

The pad can be reused by placing it in boiling water for 10–15 minutes, which redissolves the sodium acetate trihydrate in the contained water and recreates a supersaturated solution. Once the pad has returned to room temperature it can be triggered again. Triggering the pad before it has reached room temperature results in the pad reaching a lower peak temperature, as compared to waiting until it had completely cooled.

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