HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8414596540 | Doc | 57.3% | CN | US | 2025-05-12 |
8414596595 | Doc | 57.3% | CN | US | 2025-05-12 |
3926904510 | Doc | 58.5% | CN | US | 2025-05-12 |
3926909989 | Doc | 42.8% | CN | US | 2025-05-12 |
3923500000 | Doc | 60.3% | CN | US | 2025-05-12 |
3923900080 | Doc | 58.0% | CN | US | 2025-05-12 |
Industrial Respirator Filter
An industrial respirator filter is a component of a respiratory protective device designed to remove contaminants from the air, protecting the wearer from hazardous substances encountered in industrial settings. These filters are crucial for maintaining worker safety and health in environments with airborne particles, gases, and vapors.
Material
Industrial respirator filters utilize a variety of materials, chosen based on the specific contaminants they are intended to capture. Common materials include:
- Polypropylene: Used for particulate filtration, offering good resistance to moisture and a broad range of chemicals.
- Polyester: Provides excellent strength and durability, often used in combination with other materials.
- Activated Carbon: Highly effective at removing organic vapors, gases, and odors through adsorption. Different types of activated carbon (e.g., coconut shell, coal-based) offer varying levels of performance.
- HEPA (High-Efficiency Particulate Air) Media: Composed of a dense network of fibers designed to capture at least 99.97% of particles 0.3 microns in diameter, used for protection against fine dusts, mists, and fumes.
- P-Series Filters: Utilize a melt-blown polypropylene media offering higher filtration efficiency and resistance to clogging.
- Combination Media: Many filters employ layers of different materials to provide broad-spectrum protection against multiple hazards.
Purpose
The primary purpose of an industrial respirator filter is to:
- Protect the respiratory system: Prevent inhalation of harmful airborne contaminants.
- Maintain worker health: Reduce the risk of acute and chronic respiratory illnesses.
- Ensure regulatory compliance: Meet safety standards set by organizations like OSHA (Occupational Safety and Health Administration) and NIOSH (National Institute for Occupational Safety and Health).
Function
Industrial respirator filters function through several mechanisms:
- Mechanical Filtration: Capturing particles by trapping them within the filter media's fiber network.
- Adsorption: Binding gas and vapor molecules to the surface of the filter material (typically activated carbon).
- Absorption: Dissolving contaminants into the filter material.
- Chemical Reaction: Some filters contain materials that chemically react with specific contaminants to neutralize them.
Usage Scenarios
These filters are used in a wide range of industrial applications, including:
- Construction: Protection against dust, silica, asbestos, and other construction debris.
- Manufacturing: Filtering fumes, gases, and particles generated during welding, painting, and other processes.
- Chemical Processing: Protecting against hazardous chemicals, vapors, and gases.
- Pharmaceuticals: Maintaining sterile environments and protecting against airborne pathogens.
- Mining: Filtering dust, gases, and fumes encountered in underground and surface mining operations.
- Agriculture: Protecting against dust, pesticides, and other agricultural hazards.
- Healthcare: Protection against airborne infectious agents (N95 respirators are a common type).
Common Types
Industrial respirator filters are categorized based on their efficiency and the contaminants they protect against:
- Particulate Filters:
- N-Series: Not resistant to oil. (N95, N99, N100 – indicates filtration efficiency)
- R-Series: Resistant to oil for up to 8 hours. (R95, R99, R100)
- P-Series: Oil-proof, providing the highest level of oil resistance. (P95, P99, P100)
- Gas and Vapor Filters:
- Organic Vapor Cartridges: Remove organic solvents, paints, and other organic vapors.
- Acid Gas Cartridges: Remove acid gases like hydrochloric acid, sulfuric acid, and hydrogen chloride.
- Ammonia Cartridges: Remove ammonia gas.
- Multi-Gas Cartridges: Provide broad-spectrum protection against multiple gases and vapors.
- Combination Filters: Combine particulate filtration with gas and vapor removal.
- HEPA Filters: Used in powered air-purifying respirators (PAPRs) and other high-efficiency systems.
Filter Selection: The appropriate filter type depends on the specific hazards present in the workplace, as determined by a thorough hazard assessment. It is crucial to follow manufacturer's instructions and ensure proper fit testing for optimal protection.
Industrial respirator filters fall under several potential classifications based on their composition and function. Here's a breakdown of relevant HS codes based on the provided information:
- 8414.59.65.40: This code covers “Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether or not fitted with filters; parts thereof: Fans: Other: Other Suitable for use with motor vehicles”. While broadly covering air filtration components, it specifically mentions suitability for motor vehicles. If the respirator filter is designed for use in vehicles, this code may apply. The total tax rate is 57.3%, comprised of a 2.3% base tariff, a 25.0% additional tariff, and a 30% additional tariff effective April 2, 2025.
- 8414.59.65.95: This code also falls under “Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether or not fitted with filters; parts thereof: Fans: Other: Other Other Other: Other”. This is a more general classification for fans and filters, potentially applicable if the filter isn’t specifically for motor vehicles. The total tax rate is 57.3%, comprised of a 2.3% base tariff, a 25.0% additional tariff, and a 30% additional tariff effective April 2, 2025.
- 3926.90.45.10: This code covers “Other articles of plastics and articles of other materials of headings 3901 to 3914: Other: Gaskets, washers and other seals O-Rings”. If the respirator filter incorporates plastic or other materials from headings 3901 to 3914 and functions as a seal, this code may be relevant. The total tax rate is 58.5%, comprised of a 3.5% base tariff, a 25.0% additional tariff, and a 30% additional tariff effective April 2, 2025.
- 3926.90.99.89: This code covers “Other articles of plastics and articles of other materials of headings 3901 to 3914: Other: Other Other”. This is a broad classification for other plastic articles, potentially applicable if the filter is made of plastic and doesn’t fall under more specific classifications. The total tax rate is 42.8%, comprised of a 5.3% base tariff, a 7.5% additional tariff, and a 30% additional tariff effective April 2, 2025.
According to the provided reference material, the HS code options related to 'industrial respirator filter' are limited, with only the following 4 found.