Borosilicate Watch Glass 100mm
Concave 100mm watch glass cover for beakers, made of low-expansion borosilicate to handle heating and cooling cycles in labs. Prevents contamination during experiments. HTS 7017.20.00.00 due to thermal properties.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered common glass table/kitchenware
Watch glasses resembling saucers may classify as household glass.
If supplied as unfinished glass sheet cut to shape
Per chapter notes, cut sheets remain unworked glass under 7002.
If woven fiberglass version
Fibrous glass woven fabrics for lab covers fall under 7019.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify 'for laboratory use only' on invoices to prevent consumer goods misclassification
• Test for expansion coefficient if using non-standard suppliers
• Bundle with beakers as sets only if not sold separately
Related Products under HTS 7017.20.00.00
Pharmaceutical Weighing Boat Borosilicate
Small V-shaped borosilicate weighing boat for precise pharma compounding, low expansion for oven drying. HTS 7017.20.00.00 hygienic glassware.
Borosilicate pH Electrode Protector Tube
Protective tube for pH electrodes, low-expansion borosilicate for chemical immersion in labs. Pharmaceutical testing. 7017.20.00.00.
Borosilicate Mortar and Pestle 100ml
100ml borosilicate mortar with pestle for grinding samples, low thermal expansion for lab/pharma compounding. 7017.20.00.00 classification.
Low-Expansion Glass Stirring Rod 10mm x 200mm
10mm diameter x 200mm borosilicate stirring rod for mixing in beakers, thermal shock resistant. Laboratory essential. HTS 7017.20.00.00.
Borosilicate Gas Washing Bottle 250ml
250ml bottle with fritted disc for gas scrubbing, low-expansion glass for chemical resistance. Lab/pharma. 7017.20.00.00.
Borosilicate Glass Beaker 500ml
A 500ml capacity laboratory beaker made from borosilicate glass, such as Pyrex, with a low linear coefficient of expansion not exceeding 5 x 10-6 per Kelvin (0-300°C), allowing it to withstand thermal shock. It is graduated for precise volume measurement and used in chemical experiments. Classified under HTS 7017.20.00.00 as laboratory glassware of specialized low-expansion glass.