HTS Code 7017.20 - Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated, having a linear coefficient of expansion = 5 x 10 -6 per kelvin within a temperature range of 0°C to 300°C (excluding glass of fused quartz or other fused silica, containers for the conveyance or packing of goods, measuring, checking or medical instruments and apparatus of chapter 90)