This part of GB/T9966 specifies the principles, instruments and equipment, sample preparation, test procedures, test results and test reports for the accelerated aging test of natural stone resistance to cold and heat shock. This section is applicable to the determination of changes that may occur in natural stone under severe temperature changes (thermal shock).
GB/T 9966.9-2021 Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency
GB/T 9966.11-2021 history
2021GB/T 9966.11-2021 Test methods for natural stone—Part 11: Determination of resistance to ageing by cold and thermal shock