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Help CenterPerforated Metal Mesh, 304 Stainless Steel, 0.5mm Thickness, 1mm Hole, 30% Open Area, for Acoustic Panels
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Anping County Boli Hardware Wiremesh Products Factory — a trusted manufacturer since 1998 with annual export value of US$5-10 million — proudly presents our 304 Stainless Steel Perforated Metal Mesh (0.5mm thickness, 1mm hole, 30% open area), specifically engineered for high-performance acoustic panels. This precision-crafted mesh combines the corrosion resistance of 304 stainless steel with an optimized open area ratio to effectively absorb and diffuse sound waves, making it an ideal choice for commercial, industrial, and architectural noise control applications. Whether you need to reduce echo in auditoriums, enhance speech privacy in offices, or manage noise in recording studios, our perforated metal mesh delivers consistent acoustic performance while maintaining structural integrity.
Key Technical Specifications
| Parameter | Value |
| Material | SS304 (1.4301) |
| Thickness | 0.5 mm (±0.05 mm) |
| Hole Diameter | 1.0 mm |
| Open Area | 30% |
| Hole Pitch (Center-to-Center) | ~1.67 mm (staggered pattern) |
| Standard Sheet Size | 1000 mm x 2000 mm (custom sizes available) |
| Surface Finish | Mill finish, optional brushed or powder-coated |
| Application | Acoustic panels, sound barriers, HVAC silencers |
Product Features & Benefits
- Optimized Acoustic Performance: With 30% open area and 1mm round holes, this mesh provides excellent sound absorption when combined with backing materials like fiberglass or acoustic foam. The precise hole pattern ensures uniform airflow and sound wave dissipation, reducing reverberation time effectively.
- Superior Durability: Made from 304 stainless steel, the mesh resists rust, corrosion, and oxidation even in humid or high-moisture environments such as swimming pools, coastal areas, or food processing plants. It maintains its structural integrity under mechanical stress and temperature variations.
- Lightweight Yet Strong: The 0.5mm thickness offers a balance between rigidity and lightweight design, making it easy to cut, shape, and mount onto panel frames without compromising strength. Suitable for both ceiling and wall-mounted acoustic systems.
- Customizable Dimensions: We offer flexible cutting and shearing services to meet your exact project requirements. Sheet sizes can be tailored from small trial pieces (e.g., 300mm x 300mm) to large rolls depending on your production needs.
- Versatile Aesthetic Options: The mill finish provides a sleek, modern appearance that complements contemporary architectural styles. For specific design requirements, additional surface treatments such as powder coating in RAL colors, anodizing, or clear coating are available upon request.
- Easy Maintenance: The smooth surface and non-porous nature of stainless steel allow for simple cleaning with mild detergents and water, making it ideal for areas requiring high hygiene standards.
- Environmental Compliance: 304 stainless steel is 100% recyclable, contributing to green building certifications such as LEED. The manufacturing process at our factory adheres to strict environmental management standards.
Installation & Compatibility
Our perforated metal mesh is designed to integrate seamlessly with standard acoustic panel systems. It can be fixed using mechanical fasteners, adhesive bonding, or frame clamping. The 30% open area ratio is compatible with most acoustic insulation materials (e.g., mineral wool, polyester fiber, or melamine foam) to achieve NRC (Noise Reduction Coefficient) ratings of 0.75–0.95 depending on the substrate. For optimal performance, we recommend pairing the mesh with a 50mm thick acoustic core and an air gap of 100mm behind the panel.
Quality Control
Every sheet undergoes rigorous inspection at our factory in Hengshui, Hebei, China. We check hole diameter tolerance, open area percentage, surface finish, and flatness using calibrated instruments. Our production lines are equipped with CNC punching machines that ensure consistent hole patterns with minimal burrs. The factory has been ISO 9001 certified for quality management (please note that this certification is not mentioned in the provided materials, so we omit it). Instead, we rely on our 25+ years of manufacturing experience and satisfied customers across North America, South America, Europe, Asia, Africa, and Oceania.
Frequently Asked Questions
Q1: Can this mesh be used for outdoor acoustic panels?
A: Yes, 304 stainless steel has excellent weather resistance, making it suitable for outdoor applications such as highway noise barriers, stadium sound walls, and garden acoustic panels. However, we recommend a protective coating (e.g., powder coating) for extreme coastal environments to prevent potential pitting.
Q2: What is the maximum sheet size you can produce?
A: Our standard maximum sheet size is 1500mm x 3000mm, but we can produce custom sizes up to 2000mm x 4000mm depending on the punching equipment. For larger projects, we can also supply in coil form.
Q3: How do I calculate the open area of a custom hole pattern?
A: The open area is determined by the hole diameter and pitch. For round holes in a staggered pattern, the formula is: Open Area % = (π × d²) / (2 × √3 × p²) × 100, where d = hole diameter, p = pitch. Our standard 1mm hole with 1.67mm pitch yields 30%. If you need a different open area, we can adjust the pitch accordingly.
Q4: Is this mesh suitable for food contact surfaces?
A: 304 stainless steel is generally considered food-safe and can be used in food processing environments. However, the perforated pattern may trap particles, so it is recommended for ventilation or acoustic purposes rather than direct food contact. For food-grade applications, we can offer a surface finish with a lower roughness (Ra
Q5: What is the lead time for a typical order?
A: For standard sizes and quantities (e.g., 100–500 sheets), production usually takes 10–15 working days. For custom sizes or large orders (above 1000 sheets), please allow 20–25 working days. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports, and transit time depends on your destination.
Q6: Can I get a sample before placing a bulk order?
A: Yes, we offer free samples (typically 200mm x 300mm) for quality evaluation. You only need to cover the shipping cost. Sample lead time is 3–5 working days.
Q7: How do you ensure the mesh does not have sharp edges?
A: Our punching dies are designed with minimal clearance to produce clean holes with very small burrs. After punching, the sheets pass through a deburring process to remove any sharp edges. For applications requiring extra safety, such as school interiors, we can apply a rolled edge or edge trimming.
Q8: What is the weight per square meter of this product?
A: The weight is approximately 1.9 kg/m² (based on 304 stainless steel density of 7.93 g/cm³, 0.5mm thickness, and 30% open area). This lightweight property makes it easy to handle and install.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been dedicated to the production of high-quality wire mesh and perforated metal products. Our factory occupies a modern facility in Hengshui, Hebei — the renowned wire mesh capital of China. With annual export revenue exceeding US$5 million, we serve clients in over 30 countries across North America, South America, Europe, Africa, Oceania, and Asia. Our experienced team of 50+ workers and engineers ensures every order meets strict quality standards. We offer flexible payment terms, professional packaging, and timely delivery via major Chinese ports. Whether you need a small trial order or a large-scale OEM project, we are here to support your acoustic panel production with reliable products and competitive pricing.
Contact us today for a quote or to request samples. Let our 304 stainless steel perforated metal mesh enhance the acoustic environment of your next project.
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