If your product has the following specification: Glass with a coefficient of inferior or equal linear expansion to 5 xs 10 -6 by Kelvin, between 0 degrees and 300 degrees Celsius.

• 客户问我我们的玻璃有没有以下的规格,好象跟耐热有关,可是具体的我也不懂,大家帮忙看一下什么意思好吗?