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The temperature shock test is to determine the suitability of the product for storage, transportation, and use in a climate where the temperature changes drastically. The severity of the test depends on factors such as high/low temperature, residence time, number of cycles, and the like. The following are some explanations of the related terms of the temperature shock test, which I hope can give the user some help.
(1) What is the rate of temperature change?
The rate of temperature change represents an amount of temperature change. The unit is degrees/minute.
(2) What is the temperature shock test?
When the sample suddenly goes to a low temperature environment from a high temperature environment, the temperature is considered to be impact.
(3) There are usually three ways of temperature shock:
1. Three-box temperature shock (gaseous): The test equipment has three tanks (high temperature zone, normal temperature zone, low temperature zone). During the test, the sample is in the normal temperature zone, but only through the high temperature zone and the normal temperature zone. With the switch of the damper in the normal temperature zone to achieve the effect of temperature shock.
2. Two-box temperature shock (gaseous): The test equipment has two tanks (high temperature zone, low temperature zone), the sample is placed in a hanging basket, and the temperature impact is achieved by the movement of the basket in the high temperature zone and the low temperature zone. effect.
3. Two-box temperature shock (liquid): The test equipment has two tanks (high temperature zone, low temperature zone). The high temperature zone and the low temperature zone are respectively filled with silicone oil. The sample is placed in a hanging basket and passed through the high temperature zone of the hanging basket. And the movement of the low temperature zone achieves the effect of temperature shock. (The two-box liquid impact is faster than the two-box gas shock).
(4) What is rapid temperature change?
The temperature shock test usually mentioned is the temperature and temperature change test (Nb) of the temperature change rate specified in GB and ICE. Generally, it is greater than 2 °C/min and needs to be tested with a rapid temperature change test chamber.
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