| HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
|---|---|---|---|---|---|
| 8708991600 | Doc | 55.0% | CN | US | 2025-05-12 |
Accelerator
An accelerator is a device that increases the rate of a process, typically a chemical reaction, or, in computing, the speed of calculations. The term encompasses a broad range of technologies with diverse applications.
Chemical Accelerators
These substances, also known as catalysts, enhance the speed of a chemical reaction without being consumed in the process. They function by lowering the activation energy required for the reaction to occur, providing an alternate reaction pathway.
- Purpose: To speed up chemical reactions, improve yield, and reduce energy consumption.
- Function: Lower activation energy, provide a surface for reactions to occur, or stabilize transition states.
- Types:
- Homogeneous Catalysts: Exist in the same phase as the reactants (e.g., acids, bases, metal complexes in solution).
- Heterogeneous Catalysts: Exist in a different phase than the reactants (e.g., solid catalysts used in industrial processes).
- Enzymes: Biological catalysts, highly specific for certain reactions.
- Photo catalysts: Accelerate reactions using light.
- Usage Scenarios:
- Industrial Chemistry: Production of polymers, fertilizers, pharmaceuticals.
- Environmental Catalysis: Reducing emissions from vehicles and industrial plants (e.g., catalytic converters).
- Food Industry: Ripening of fruits, production of cheese.
Computing Accelerators
These are hardware components designed to enhance the performance of specific computational tasks. They offload processing from the central processing unit (CPU) to specialized units, resulting in faster execution times.
- Purpose: To accelerate computationally intensive tasks, improve energy efficiency, and enable new applications.
- Function: Parallel processing, specialized logic circuits, optimized memory access.
- Types:
- Graphics Processing Units (GPUs): Originally designed for rendering images, now widely used for parallel computing, machine learning, and scientific simulations.
- Field-Programmable Gate Arrays (FPGAs): Reconfigurable hardware that can be customized for specific applications.
- Application-Specific Integrated Circuits (ASICs): Designed for a single purpose, offering high performance and efficiency.
- Neural Processing Units (NPUs): Specialized for machine learning tasks, particularly deep learning.
- Digital Signal Processors (DSPs): Optimized for signal processing applications, such as audio and video processing.
- Usage Scenarios:
- Machine Learning: Training and inference of deep learning models.
- Scientific Computing: Simulations, data analysis, and modeling.
- Video Processing: Encoding, decoding, and streaming.
- Networking: Packet processing and security.
- Cryptocurrency Mining: Performing complex calculations to validate transactions.
Other Types
- Particle Accelerators: Used in physics to accelerate charged particles to high energies for research purposes.
- Electron Microscopes: Utilize electron beams to accelerate electrons for high-resolution imaging.
Based on the provided information, the declared goods "accelerator" fall under the category of parts and accessories of motor vehicles. Here's a breakdown of relevant HS codes:
- 8708.99.16.00: This HS code specifically covers “Other parts and accessories: Other: Parts of tractors suitable for agricultural use: Other parts for power trains”. While “accelerator” isn’t explicitly mentioned, it could be classified here if it’s a component of a tractor’s powertrain.
- 87: Chapter 87 pertains to Vehicles other than railway or tramway rolling-stock, and parts and accessories thereof.
- 08: Heading 8708 covers Parts and accessories of the vehicles of headings 8701 to 8705.
- 99: Subheading 8708.99 denotes Other parts and accessories.
- 16: Further specifies Parts of tractors suitable for agricultural use: Other parts for power trains.
Tax Rate Details:
- Basic tariff: 0.0%
- Additional tariff: 25.0%
- Additional tariff after April 2, 2025: 30.0%
- Total tariff: 55.0%
According to the provided reference material, the HS code options related to 'accelerator' are limited, with only the following 1 found.