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Shenzhen NTEK Testing Technology Co., Ltd.

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NTEK Group
Tel:+8618923705875 Q Q:61827361 Email:ntek@ntek.org.cn Blocks C, D and E of Fenda Science and Technology Creative Park, Xixiang, Baoan District, Shenzhen

Low Temperature Testing

Test Overview

The purpose of low temperature testing is to verify whether a specimen can be stored, handled and controlled under long-term low temperature conditions, and to determine the adaptability and durability of military and civilian equipment when stored and operated at low temperatures, as well as the physical and chemical properties of materials at low temperature. The standards specify requirements for pre-test conditioning, initial examination, specimen mounting, intermediate examination, post-test treatment, heating rate, test chamber load conditions, and the volume ratio between the specimen and the test chamber.

Typical failure modes of specimens at low temperature: parts and materials used in the product may crack or become brittle, moving parts may jam, and product characteristics may change.

Effects of Low Temperature

1. Materials become hard and brittle;
2. Lubricant viscosity increases and flow decreases, reducing the lubricating effect;
3. The performance of electronic components changes;
4. Water condenses and freezes;
5. Seals fail;
6. Material contraction causes changes in the mechanical structure.

Application Scope

Low temperature testing is mainly used for the low-temperature testing and storage of special materials such as scientific research samples, medical products, biological products, marine products, electronic components and chemical materials.

Test Standards

GB/T2423.1-2008 Environmental testing for electric and electronic products, Part 2: Test methods, Test A: Cold
IEC 60068-2-1:2007 Environmental testing for electric and electronic products, Part 2: Test methods, Test A: Cold

Test Equipment and Instruments

Low Temperature Testing

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