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1 | Radiation resistance | The ability to withstand high radiation is very strong, exceeding the best radiation resistance of the universal resin polystyrene. It can be made into a high performance of γ-irradiation dose up to 1100Mrad and still maintain good insulation ability |
2 | Hydrolysis resistance | PEEK and its composites are not affected by the chemical effects of water and high-pressure water vapor, and products made of this material can maintain excellent properties in continuous use in high temperature and high-pressure water |
3 | Smokiness | PEEK has the lowest smokiness among plastics |
4 | Gas escape property | Similar to many organic materials, PEEK mainly produces carbon dioxide and carbon monoxide during pyrogen decomposition. The British vehicle test standard BSS 7239 can be used to detect extremely low concentration of gas escape. This detection process requires complete combustion of 100 grams of sample in a space of 1cubic meter, and then analysis of the gas produced in it. The toxicity index, defined as the ratio of the combined concentration of toxic gas produced under normal conditions to the dose that could kill a person in 30 minutes, was 0.22 for PEEK450G, and no acidic gas was detected |















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