化学性能稳定，热导率低，耐热冲击性好。
It is stable in chemical properties, low in thermal conductivity, good in thermal shock resistance.
并且该材料的物理化学性能稳定，发光效率较高。
And the materials have the stable physical and chemical properties and high luminous efficiency.
化学性能稳定：该产品耐清洗剂(几乎所有的家庭用及工业用洗涤剂，浓缩碱液除外)。
Chemical stability: the product is resistant to almost all standard household and industrial cleaners (with the exception of concentrated lye).
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