Of other glass having a linear coefficient of expansion not exceeding 5x10-6 per Kelvin within a temperature range of 0°C to 300°C
Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated. > Of other glass having a linear coefficient of expansion not exceeding 5x10-6 per Kelvin within a temperature range of 0°C to 300°C > Of other glass having a linear coefficient of expansion not exceeding 5x10-6 per Kelvin within a temperature range of 0°C to 300°C
Duty Rate (from China)
Products classified under Tariff item 7017.20
Borosilicate Funnel 100mm Buchner
A 100mm Buchner funnel made of borosilicate glass with a sintered glass disc, designed for vacuum filtration under heat. Its low linear coefficient of expansion (≤5x10-6 per Kelvin) ensures thermal shock resistance, qualifying it as laboratory glassware of heading 70.17.
7017.20.00Borosilicate Gas Washing Bottle 250ml
A 250ml gas washing bottle with a fritted disc, made of low-expansion borosilicate glass for chemical resistance and thermal stability. It is used for gas scrubbing in laboratory and pharmaceutical settings, meeting the criteria for laboratory glassware of heading 70.17.
7017.20.00Borosilicate Glass Beaker 500ml
A 500ml laboratory beaker made of borosilicate glass (e.g., Pyrex) with a low linear coefficient of expansion not exceeding 5x10-6 per Kelvin, enabling it to withstand thermal shock. It is graduated for measuring and used in laboratory and pharmaceutical applications, fitting heading 70.17.
7017.20.00Borosilicate Mortar and Pestle 100ml
A 100ml mortar and pestle made of borosilicate glass, designed for grinding samples in laboratory and pharmaceutical compounding. Its low thermal expansion (≤5x10-6/K) prevents cracking during heating or cooling, classifying it as laboratory glassware of heading 70.17.
7017.20.00Borosilicate pH Electrode Protector Tube
A protective tube for pH electrodes, made of low-expansion borosilicate glass for chemical immersion in laboratories. It is used in pharmaceutical testing and meets the thermal expansion criteria for laboratory glassware of heading 70.17.
7017.20.00Borosilicate Test Tube 20x150mm
Rimless test tubes (20x150mm) made of borosilicate glass with low thermal expansion, suitable for heating samples in laboratory and pharmaceutical settings. They are sterile and qualify as laboratory glassware of heading 70.17 due to their thermal properties.
7017.20.00Borosilicate Volumetric Pipette 10ml
A precision 10ml volumetric pipette calibrated for exact liquid dispensing, crafted from low-expansion borosilicate glass to endure sterilization and temperature changes. It is essential for titrations in pharmaceutical and research labs, fitting heading 70.17.
7017.20.00Borosilicate Watch Glass 100mm
A 100mm concave watch glass made of low-expansion borosilicate, used to cover beakers and prevent contamination during experiments. Its thermal shock resistance qualifies it as laboratory glassware of heading 70.17.
7017.20.00Graduated Borosilicate Cylinder 100ml
A 100ml tall-form measuring cylinder with graduations, made of borosilicate glass for thermal resistance in pharmaceutical dispensing. Its low expansion coefficient (≤5x10-6/K) qualifies it for heading 70.17 as laboratory glassware.
7017.20.00Low-Expansion Condenser Jacket
A glass jacket for a Liebig condenser, made of borosilicate with precise low thermal expansion for efficient cooling in distillation setups. It is used in laboratory and pharmaceutical applications, fitting heading 70.17.
7017.20.00Low-Expansion Glass Stirring Rod 10mm x 200mm
A 10mm x 200mm borosilicate stirring rod for mixing in beakers, designed to resist thermal shock due to its low expansion coefficient. It is a laboratory essential, classifying under heading 70.17 as laboratory glassware.
7017.20.00Low-Expansion Petri Dish 90mm
A 90mm borosilicate petri dish for cell culture, featuring low thermal expansion for autoclaving without cracking. It is used in hygienic and pharmaceutical microbiology labs, qualifying as laboratory glassware of heading 70.17.
7017.20.00Pharmaceutical Weighing Boat Borosilicate
A small V-shaped borosilicate weighing boat for precise pharma compounding, designed for oven drying due to its low thermal expansion. It is hygienic glassware used in laboratories, fitting heading 70.17.
7017.20.00Pharma Dropping Bottle Borosilicate 60ml
A 60ml borosilicate dropping bottle with pipette for reagents, designed for sterilization due to its low thermal expansion. It is hygienic pharmaceutical glassware, classifying under heading 70.17.
7017.20.00Pyrex Erlenmeyer Flask 250ml
A 250ml narrow-neck conical flask (Erlenmeyer) made of borosilicate glass with low thermal expansion (≤5x10-6/K), ideal for mixing and heating liquids in labs. Its graduated markings enable accurate measurements, fitting heading 70.17.