Industrial Grade Corrosion-Resistant Filtration Performance
Broad-Spectrum Efficiency Coverage: Engineered to cover comprehensive efficiency classifications from medium efficiency (ASHRAE) up to sub-HEPA, HEPA, and ULPA (F6 to U16). This enables universal procurement and precise configuration matching for everything from commercial HVAC pre-filtration to Grade 1 ultra-clean manufacturing facilities.
Sub-Micron Particulate Interception: Serving as the vital core component for critical air systems, this high-efficiency media captures 0.3-micron and larger airborne contaminants—including fine dust, smoke, and microorganisms—with an efficiency rating reaching up to 99.9999% to function as world-class ULPA Filter Media.
Extreme Operating Condition Stability: Built with inherent thermal and chemical stability, it serves as an excellent 300°C High Temperature Resistant Filter Paper. It maintains structural integrity in extreme thermal environments and offers natural resistance to acid and alkali chemical vapors to prevent premature media degradation.
Optimized Aerodynamic Efficiency: Formulated as a Low Resistance HEPA Media via a specialized wet-laid process, it ensures highly uniform fiber orientation. This allows maximum airflow permeability while maintaining strict interception ratings, which directly lowers fan energy consumption.


Custom Fiberglass panel Filter & Material Versatility
Ultra-Fine Fiberglass Matrix: Constructed from premium glass microfibers processed via precision wet-laying. This creates an optimized multi-layer micro-porous structure with high specific surface area, ensuring consistent particulate capture and eliminating localized efficiency drops.
Engineered Resin Bonding System: Infused with a proprietary cross-linked resin system that locks fiber junctions in place. This provides excellent tensile strength (up to 1.25 KN/m) and high stiffness, making it the preferred High Tensile Strength Filter Paper that prevents media tearing, pleat collapse, or fiber shedding under intense pneumatic loads.
Full-Scale Non-Standard Customization: We provide Custom Specifications Fiberglass Media options to adapt to specialized industrial housings. Customers can specify non-standard roll widths, custom thicknesses, specialized basis weights (from 70 to 75 g/m²), and enhanced anti-corrosion chemical treatments for unique process environments.
Microelectronics & Semiconductor Cleanrooms: Serving as a premium Cleanroom Air Supply System Filter core for ceiling fan filter units (FFUs) in Class 1 to Class 100 wafer fabrication and packaging facilities to protect yields from micro-particle defects.
Pharmaceutical & Bio-Medical Facilities: Deployed as a high-performance Pharmaceutical Workshop Ventilation Media in pharmaceutical compounding zones, operating theatres, isolation wards, and biosafety laboratories to maintain strict bio-contamination barriers.
Heavy Industrial Venting & Gas Turbines: Utilized as a heavy-duty Gas Turbine Intake Filter Media for multi-stage air intake systems in power generation gas turbines and heavy air compressors operating in dust-heavy areas.
High-Temperature & Corrosive Process Exhaust: Deployed as an advanced Nuclear Power Exhaust Treatment Paper in chemical processing plants, nuclear ventilation exhausts, and industrial spray booths where acidic gases or thermal loads up to 300°C destroy standard synthetic media.
| Performance Indicator | Our Premium Fiberglass Filter Paper | Standard / Low-Tier Competitors |
|---|---|---|
| Filtration Consistency | Utilizes an advanced Wet Laid Fiberglass Matrix to guarantee highly uniform fiber distribution, completely eliminating localized efficiency drops. | Uneven fiber density leads to thin spots, causing severe micro-particle leakage and unstable efficiency. |
| Tensile Strength | Formulated with an advanced resin system as High Tensile Strength Filter Paper (up to 1.25 KN/m). Zero cracking or shedding during high-speed mechanical pleating. | Low tensile limits (often < 0.6 KN/m). Highly prone to tearing under high pneumatic loads or automatic folding stress. |
| Aerodynamic Energy Saving | Engineered as Low Resistance HEPA Media. Highly breathable pore structure directly minimizes fan power consumption. | Denser, non-uniform matrix results in excessive initial resistance, rapidly spiking energy bills for facility owners. |
| Thermal & Chemical Durability | Functions as true 300°C High Temperature Resistant Filter Paper with an Anti-corrosive Chemical Stable Filter Media core to block acid/alkali vapors. | Binder degrades prematurely at temperatures above 120°C or under mild chemical exposure, causing complete structure collapse. |
| Procurement Options | Direct factory-level supply for Custom Specifications Fiberglass Media. Fully tailored roll widths, basis weights, and efficiency configurations from F6 to U16. | Fixed specifications only; unable to adjust thickness, width, or basis weights for non-standard industrial filter housings. |
| Classification | Grade | Efficiency (%) | Resistance (Pa) | Tensile Strength MD (KN/m) | Thickness (±0.02mm) | Basic Weight (±4g/㎡) | Stiffness (≥mg) |
|---|---|---|---|---|---|---|---|
| ULPA | U16 | ≥99.9999 | ≤580 | 1.0–1.25 | 0.34 | 75 | 950 |
| U15 | ≥99.999 | ≤480 | 1.0–1.25 | 0.34 | 75 | 950 | |
| HEPA 0.3 mm @5.3cm/s | H14 | ≥99.995 | ≤420 | 1.0–1.25 | 0.33 | 74 | 950 |
| H13 | ≥99.97 | ≤330 | 0.9–1.20 | 0.33 | 74 | 900 | |
| H12 | ≥99.8 | ≤260 | 0.9–1.20 | 0.33 | 74 | 900 | |
| H11 | ≥98 | ≤180 | 0.9–1.20 | 0.33 | 74 | 900 | |
| H10 | ≥94 | ≤120 | 0.9–1.20 | 0.33 | 74 | 900 | |
| ASHRAE 0.4 mm @5.3cm/s | F9 | ≥95 | ≤80 | 0.9–1.15 | 0.33 | 70 | 850 |
| F8 | ≥90 | ≤60 | 0.9–1.15 | 0.33 | 70 | 850 | |
| F7 | ≥80 | ≤40 | 0.9–1.15 | 0.33 | 70 | 850 | |
| F6 | ≥60 | ≤25 | 0.9–1.15 | 0.33 | 70 | 850 |
Custom Industrial Filters | Source Factory Direct from China
As a dedicated Fiberglass Filter Paper Manufacturer, we operate advanced, continuous wet-laid production lines that bridge the gap between strict engineering specifications and commercial scalability. By maintaining direct control over raw fiber selection and cross-linking resin chemistry, we ensure our roll goods exhibit exceptional cross-directional uniformity, completely eliminating the structural weaknesses common in low-tier alternatives. Our facility provides comprehensive product matching, allowing international buyers to source medium, HEPA, and ULPA media from a single supplier. Backed by export-compliant quality testing, secure maritime packaging, and transparent supply chain documentation, we guarantee seamless bulk delivery, full regulatory compliance, and dependable technical support for industrial filter manufacturers and engineering distributors worldwide.
Q: What filtration efficiency grades can your fiberglass filter paper achieve? Can it meet strict cleanroom standards?
A: As a premier fiberglass filter paper manufacturer, we offer full efficiency coverage from F6 to U16.For Semiconductor Fabs (Class 1-100 Cleanrooms): We recommend our ULPA filter media (U16 Grade), delivering ≥99.9999% efficiency for 0.3 μm particles to eliminate leakage. It serves as the ideal cleanroom air supply system filter.For Bio-Pharma & Operating Rooms: Our HEPA filter paper roll products (H13 ≥99.97% and H14 grade 99.995% efficiency paper) provide the industrial standard for sterile, dust-free pharmaceutical workshop ventilation media.
Q: Industrial fans consume massive energy. How does your media help reduce airflow resistance?
A: Our core edge lies in our advanced wet laid fiberglass matrix. Unlike low-end media that sacrifice permeability for efficiency, our uniform micro-porous structure creates a highly effective low resistance HEPA media. For example, our H13 grade maintains ≥99.97% efficiency with an initial resistance of ≤330 Pa. This significantly lowers fan power consumption and slashes operational costs for end-users.
Q: Is the filter paper prone to tearing during high-speed pleating or installation?
A: Not at all. To prevent cracking, tearing, or “air bypass” under high-velocity airflow, we engineer a high tensile strength filter paper reinforced with a specialty resin bonding system. With a tensile strength of 0.9–1.25 KN/m (H13/H14), our media easily withstands heavy-duty industrial pleating and assembly, ensuring long-term system reliability.
Q: How does this media perform in harsh high-temperature or corrosive environments?
A: Our product line includes 300°C high temperature resistant filter paper designed specifically for extreme working conditions. Built from an anti-corrosive chemical stable filter media, it naturally resists acids, alkalis, and aggressive gases. It is widely trusted as heavy-duty gas turbine intake filter media and nuclear power exhaust treatment paper, drastically extending filter service life.
Q: How do you guarantee consistent performance across different batches?
A: Quality fluctuation leads to defective final filters. We utilize a strict wet-laid automated control system to guarantee absolute uniformity across every roll. Whether at the start or the end of a batch, physical properties like basic weight (74 g/m² for H13) and thickness (0.33 mm) remain stable. As a reliable bulk glass fiber field media supplier, we offer custom specifications fiberglass media and industrial filter paper wholesale to help you secure long-term global contracts with consistent quality.

