Sinking vs Floating Grades: Oil Content and Density
What "sinking" means
Density above water makes the piece sink ("sinking grade"); half-sinking and floating grades follow. Density rises with oil content.
Misconception
Oil injection can fake sinking. Density is only one reference—combine smell, oil veins and burn test.
Compiled for general knowledge; traditional references are cultural notes, not medical advice.
常见问题
Sinking vs Floating Grades是什么？
Agarwood is graded by density into sinking, half-sinking and floating; sinking means high oil, but price and authenticity need combined checks.
沉香怎么选购？
选购沉香应认准可溯源、可检测的渠道，按用途选择形态（线香 / 手串 / 原料），不盲目追高、不轻信「野生」「沉水」等夸大宣传。
沉香如何保养？
沉香怕潮、怕串味、怕暴晒，应密封、避光、阴凉存放，不同产区分开保存；长期不用的香材定期通风检查，防霉防虫。
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