How is the penetration index calculated, and what does it signify?

Answers

  • 十一月 20, 2024 10:23 下午 by 吉田 陽一

    The Penetration Index (PI) is calculated using penetration and softening point test results. It signifies the temperature susceptibility of bitumen—the degree to which its hardness changes with temperature. A higher PI indicates lower temperature susceptibility, meaning the bitumen maintains consistent performance across temperature variations.

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