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The Jyntrel sintered activated carbon block filter is a high-performance air filtration component that combines dust removal and gas-phase adsorption in a single sintered structure. It filters particulate matter such as dust, PM2.5, and other airborne particles, along with formaldehyde, VOCs, and odor molecules, making it suitable for printers and copiers, range hoods, integrated stoves, refrigerators, and air purification systems. This filter is designed for equipment manufacturers and HVAC engineers who require reliable odor and ozone removal under continuous airflow.
In any air-handling system, the filter's behaviour depends on airflow velocity, contaminant concentration, temperature, and humidity. The Jyntrel sintered carbon block is engineered to maintain stable performance across a broad range of operating conditions. Its high-iodine coconut-shell carbon is formed through a high-temperature sintering process that creates a uniform porous structure. This structure ensures that air passes through the filter along a consistent path, minimising bypass and channelling that can reduce efficiency.
Because the carbon block is sintered into a monolithic form, it resists the migration of carbon fines downstream—a common issue with granular or fibrous carbon media. This is particularly important in devices with sensitive internal components, such as printers and copiers, where carbon dust could cause operational problems. The low air resistance of the block helps maintain the system's energy efficiency, reducing the load on fans and blowers.
For applications with high air velocity, the filter's structure is designed to withstand dynamic pressure without mechanical degradation. The sintering process bonds the carbon particles into a rigid matrix that does not break down under vibration or turbulent flow. This makes the filter suitable for automotive cabin air filters, vacuum cleaners, and other equipment where airflow is pulsating or subject to frequent changes.
Temperature and humidity also influence adsorption performance. The Jyntrel carbon block performs reliably in typical indoor and automotive environments. For extreme conditions, we recommend consulting our engineering team to select the appropriate carbon grade and filter design.
The Jyntrel sintered activated carbon block filter delivers two key functions: particulate filtration and gas-phase adsorption. The fine fibre layer on the upstream side captures dust, pollen, and other particulate matter, protecting the carbon block from premature clogging. The carbon block itself adsorbs odours, ozone, formaldehyde, and VOCs. This dual-action design extends filter life and simplifies maintenance.
Ozone removal efficiency is particularly noteworthy: in printer and copier applications, the filter achieves a single-pass removal rate of over 95% for ozone (O₃). The high-iodine coconut-shell carbon (iodine value ≥1000 mg/g) provides abundant adsorption sites, ensuring effective capture of reactive gases. The same carbon also adsorbs VOCs and odours, making the filter a comprehensive solution for indoor air quality.
The filter's pressure drop is kept low through careful control of carbon particle size and block density. This low resistance helps reduce energy consumption in fans and blowers, contributing to quieter operation and longer motor life. The sintered structure also prevents dust from accumulating unevenly, which could otherwise cause high pressure drops and reduced airflow over time.
To recommend the most suitable filter for your application, we require specific information about your system. Please provide the following data:
With this information, we can select the appropriate carbon grade, block density, and filter geometry to match your system's requirements. We also offer full OEM/ODM services, including custom sizes, shapes (square, round, irregular), frame materials (plastic, metal, paper), and packaging. Our engineering team has developed over 1,000 filtration solutions, and we can provide samples for evaluation.
| Item | Detail |
|---|---|
| Core product name | Sintered carbon block / activated carbon HEPA composite filter |
| Filter media composition | High-efficiency dust-blocking ultrafine fibre layer + high-iodine coconut-shell activated carbon block |
| Process and structure | Integrated high-temperature sintering, anti-dust migration technology, ultra-low air resistance |
| Core application scenarios | Fresh air system pre-filter and high-efficiency filtration, automotive cabin air filters, high-end odour-removal vacuum cleaners, residential and commercial air purifiers |
| Filtration targets | Dust, particulate matter, PM2.5, formaldehyde, VOCs (volatile organic compounds), odour molecules |
| Factory certifications | ISO 9001 / ISO 14001 / ISO 45001 / IATF 16949 / CNAS-accredited laboratory |
| Procurement and customisation services | Filter structure development, specification customisation, drawing- and sample-based processing (OEM / ODM) |
The Jyntrel sintered activated carbon block filter is used in a variety of air treatment systems where both particulate and gaseous contaminants must be controlled. Common applications include:
In each case, the filter can be tailored to the specific airflow, space, and contaminant profile of the device. For example, range hood filters may require a more open structure to handle higher airflow with lower pressure drop, while printer filters prioritise high ozone removal efficiency at lower flow rates.
Jyntrel operates a 50,000 m² manufacturing facility in Zhongshan, Guangdong, China, including 20,000 m² of cleanroom space across six cleanrooms. Our multiple automated production lines enable a monthly capacity of millions of pieces, ensuring stable supply for large-volume orders. We have over 20 years of experience in filtration product development and manufacturing, and our products have been exported to Europe, the United States, Japan, and South Korea for more than two decades.
Quality is integrated throughout the production process: incoming material inspection (IQC), in-process inspection (IPQC), and outgoing quality control (OQC) are performed on every batch. Our in-house laboratory is accredited by CNAS (China National Accreditation Service for Conformity Assessment) and can issue test reports for filtration efficiency, dust holding capacity, and pressure drop. We are certified to ISO 9001, ISO 14001, and ISO 45001, and we obtained IATF 16949 certification in 2024. Our products comply with REACH and RoHS regulations, and we can provide the necessary compliance documentation.
For custom projects, our engineering team works closely with customers to develop filter structures, select media grades, and validate performance through prototyping and testing. We support OEM/ODM services, including custom sizes, shapes, frame materials, logos, and packaging.
To receive a tailored solution for your application, please contact us with details about your device or vehicle model, required dimensions or a drawing, airflow or water flow rate, operating conditions, and estimated quantity. Our team will review your requirements and respond with a recommended filter specification, sample availability, and pricing. Visit our contact page to start the conversation.
Yes, the filter is designed to withstand high air velocities without mechanical degradation. The sintering process creates a rigid carbon matrix that resists vibration and turbulent flow, making it suitable for applications such as automotive cabin filters and vacuum cleaners where airflow can be pulsating or high-speed. However, for optimal performance, we recommend consulting our engineers to match the filter's density and structure to your specific velocity profile.
To provide an accurate quote, we need the volumetric airflow rate (e.g., m³/h or L/min) and, if available, the face velocity. Additionally, please specify the operating temperature, humidity, and contaminant concentrations. This data allows us to select the appropriate carbon grade, block density, and filter dimensions to meet your efficiency and pressure drop requirements.
In printer and copier applications, the Jyntrel sintered activated carbon block filter achieves a single-pass ozone removal efficiency of over 95%. This is enabled by the high-iodine coconut-shell carbon (iodine value ≥1000 mg/g) and the uniform pore structure created during sintering. The filter also adsorbs VOCs and odours simultaneously, providing comprehensive air treatment.
Yes, we offer full customisation. We can manufacture filters in any size, shape (square, round, irregular), and thickness, with frame materials such as plastic, metal, or paper. Simply provide your device model, a drawing or sample, and your operating conditions, and our engineering team will develop a filter that fits your system. We also offer packaging customisation for OEM/ODM projects.
For standard models, the MOQ is typically 500–1000 pieces. For custom models, the MOQ is negotiable based on specifications. We can provide free standard samples for evaluation; custom samples may incur a mould or development fee. Sample lead time is generally 7–15 working days, depending on complexity.
Bulk order lead time is usually 25–35 days after order confirmation, depending on quantity and customisation requirements. We have multiple automated production lines with a monthly capacity of millions of pieces, ensuring we can meet large-volume and repeat orders. Expedited production can be arranged for urgent requirements.
The replacement interval depends on operating conditions such as ozone concentration, airflow, and humidity. Typically, we recommend replacement every 6–12 months or based on cumulative operating hours. For specific applications, we can provide life expectancy data and replacement guidelines. Our technical team can assist with selection and failure analysis to optimise your maintenance schedule.
The filter is manufactured in a facility certified to ISO 9001, ISO 14001, ISO 45001, and IATF 16949 (obtained in 2024). Our in-house laboratory is CNAS-accredited, and we can provide test reports for filtration efficiency and other parameters. Products comply with REACH and RoHS regulations, and we can supply the necessary compliance documents for exports to Europe, the US, Japan, and South Korea.