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Engineered for demanding automotive environments, this premium semi-glue filter paper delivers exceptional dust holding capacity and structural stability. The material features a smooth, uniform fiber distribution that feels distinctively firm to the touch, ensuring it maintains its corrugated shape even under fluctuating intake pressures. Designed specifically for passenger cars, light trucks, and heavy-duty engineering machinery, it provides reliable engine protection across various rigorous working conditions.
Exceptional Filtration Efficiency: The precise pore structure captures microscopic airborne impurities while maintaining remarkably low airflow resistance, allowing engines to breathe freely.
Moisture & Heat Resistance: Treated with an advanced nonwoven process, the paper resists moisture degradation and thermal stress, preventing premature collapse in challenging climates.
Operational Economy: By significantly reducing engine wear rates, this filtration medium extends service intervals and lowers comprehensive maintenance costs for commercial vehicle fleets.
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Before reviewing the specific parameters, it is essential to understand the customization capabilities backing these specifications. We provide deep OEM and OES services tailored to exact procurement requirements. Whether your application demands specific dimensional adjustments, unique color coding for brand identification, or enhanced flame-retardant properties, our technical team adjusts the acrylic resin formulation to match. The data below represents our standard configurations, which consistently demonstrate uniform stiffness and bursting strength during rigorous laboratory testing.
Application | Air Filter | |
Resin System | Acrylic Resin | |
Model No. | OKC12535-Y25P | |
Test Item | Product Standards | Test Standard |
Grammage | 125±5 g/m2 | GB/T451.2-2002 |
Air Permeability | 350 ±50 L/m2•s (△=200pa) | QB/T-2006 |
Corrugation Depth | Plain | GB/T451.3-2002 |
Thickness | 0.45±0.05mm | GB/T451.3-2002 |
Burst Strength | 350±50 kpa | GB/T454-2002 |
Stiffness | 9±0.5 mn•m | GB/T2679.3-1996 |
Max Pore Size | 85±5 μm | QC/T794-2007 |
Mean Pore Size | 80±5 μm | |
Note: color, size and each specification parameter can be changed as per customer’s requirement. | ||
Application | Air Filter | |
Resin System | Acrylic Resin | |
Model No. | OKC13040-Y62P | |
Test Item | Product Standards | Test Standard |
Grammage | 130±5 g/m2 | GB/T451.2-2002 |
Air Permeability | 400 ±50 L/m2•s (△=200pa) | QB/T-2006 |
Corrugation Depth | Plain | GB/T451.3-2002 |
Thickness | 0.57±0.03 mm | GB/T451.3-2002 |
Burst Strength | 370±50 kpa | GB/T454-2002 |
Stiffness | 8.2±0.5 mn•m | GB/T2679.3-1996 |
Max Pore Size | 82±5 μm | QC/T794-2007 |
Mean Pore Size | 78±5 μm | |
Note: color, size and each specification parameter can be changed as per customer’s requirement. | ||
Application | Air Filter | |
Resin System | Acrylic Resin | |
Model No. | OKD12540/LY | |
Test Item | Product Standards | Test Standard |
Grammage | 135±5 g/m2 | GB/T451.2-2002 |
Air Permeability | 380 ±30 L/m2•s (△=200pa) | QB/T-2006 |
Corrugation Depth | Plain | GB/T451.3-2002 |
Thickness | 0.45±0.03 mm | GB/T451.3-2002 |
Burst Strength | 300±50 kpa | GB/T454-2002 |
Stiffness | 6±1mn•m | GB/T2679.3-1996 |
Max Pore Size | 80±5 μm | QC/T794-2007 |
Mean Pore Size | 75±5 μm | |
Note: color, size and each specification parameter can be changed as per customer’s requirement. | ||
Hebei Oujin Nonwoven Fabric Technology Co., Ltd. was established in 2004. It is an environmentally conscious enterprise specializing in the production of specialized filter paper. Currently, it has 120 dedicated employees, covers an expansive area of 120 acres, has an annual output value of 300 million yuan, and possesses 4 highly automated filter paper production lines equipped with precise control systems. The annual production capacity reaches 30,000 tons, easily meeting the volume demands of large-scale procurement orders.
Walking through our facility, the rhythmic hum of machinery reflects our streamlined operations. Every phase of production strictly follows the ISO9001 and IATF16949 quality management systems. This rigorous oversight ensures that every roll leaving our factory maintains strict dimensional tolerances and consistent filtration performance, securing high factory pass rates and absolute reliability for our global partners.
Over the past two decades, our journey has been defined by continuous material innovation and capacity expansion. Starting from a modest single-line operation, we have systematically scaled our infrastructure to address the increasing complexities of automotive engine protection. Each milestone on our timeline represents a deliberate investment in advanced nonwoven technology and talent acquisition. By closely monitoring the evolving requirements of commercial transport and heavy machinery sectors, we transformed our manufacturing capabilities to deliver media that balances exceptional permeability with structural endurance.
Achieving and maintaining our IATF16949 and ISO9001 certifications marks a critical chapter in our operational history. These are not merely decorative credentials; they represent a fundamental shift in how we manage defect prevention, reduce variation, and eliminate waste in the supply chain. From the initial inspection of raw semi-glue resins to the final permeability testing of the finished paper rolls, every procedure is documented and traceable. This relentless focus on systematic quality control guarantees that our automotive filtration media consistently meets the stringent safety and performance criteria demanded by international vehicle manufacturers.
A look inside our production environment reveals the scale and precision of our operations. The air carries the faint, clean scent of acrylic resin as our four automated lines operate with synchronized efficiency. Our climate-controlled warehousing ensures that all finished goods remain protected from ambient humidity, preserving the paper's stiffness and burst strength before dispatch. During the loading process, experienced logistics personnel carefully secure each pallet, ensuring that the structural integrity of the filter media is maintained throughout international transit.
We are a dedicated filter paper manufacturer with over 20 years of focused expertise. Partnering with us means securing direct access to materials that strictly adhere to international performance benchmarks. Our clients benefit from highly competitive pricing structures without compromising on the rigorous material specifications required to meet IATF16949 standards, ultimately enhancing your operational margins and reducing engine wear rates.
Yes, we actively encourage physical evaluation. We offer free samples to our customers so your engineering team can independently verify the grammage, air permeability, and burst strength against your specific application requirements before committing to volume orders.
Backed by our 30,000-ton annual capacity across four automated lines, we maintain a highly responsive production schedule. We will complete the production within 15 working days, ensuring your supply chain remains uninterrupted and delivery schedules are reliably met.
Yes. We offer customized packaging services. Beyond adjusting the physical dimensions and performance parameters of the filter paper itself, we provide bespoke packaging solutions, including custom logo printing and specific labeling formats to align perfectly with your brand identity and OES requirements.
