低膨胀系数玻璃制餐桌厨房用器皿(低膨胀系数指温度0-300℃膨胀系数＜5×10-6/开尔文)

Glassware of a kind used for table or kitchen purposes, of glass having a linear coefficient of expansion not exceeding 5×10-6per Kelvin within a temperature range of 0℃ to 300℃