HS Code for Laboratory furnace

Laboratory furnaces that utilize resistance heating are classified under HS code 8514.19. These devices generate heat by passing an electric current through resistive elements, a method that allows for the precise temperature control and high-temperature capabilities required in scientific research and material testing. Common examples include muffle furnaces used for ashing samples and tube furnaces used for chemical vapor deposition or annealing. The classification 8514.19 is a residual category for resistance-heated furnaces and ovens that are not specifically designed for the manufacture of semiconductor devices. The primary factors for this classification are the use of electricity as the power source, the resistance heating mechanism, and the intended use in an industrial or laboratory setting. This distinguishes them from non-electric furnaces found in Chapter 84 and other types of electric heating equipment like induction furnaces.

Products Included

• Electric muffle furnaces
• Resistance-heated tube furnaces
• Ashing furnaces for laboratory use
• Box furnaces for heat treatment

Common Misclassification

This code is often confused with 8514.39 (other electric ovens) or 8417 (industrial or laboratory furnaces and ovens, non-electric). The primary distinction is the heating method (resistance) and the power source (electric). Furthermore, furnaces specifically for semiconductor production are classified under 8514.11, so 8514.19 serves as the category for general-purpose resistance-heated units.

FAQ

What is the HS code for laboratory furnace?

Resistance-heated laboratory furnaces are classified under HS code 8514.19.

What is the difference between a furnace and an oven in the HS?

Generally, furnaces (8514) reach higher temperatures for metallurgical or chemical changes, while ovens (8419 or 8514) are for lower-temperature drying, but the HS often groups them by heating method rather than just temperature.