BEZA Heavy Chiffon and Chiffon Voile: Technical Comparison for Industrial Applications

This page provides a detailed technical comparison of BEZA Heavy Chiffon and Chiffon Voile, two specialty textiles engineered for demanding industrial environments where lightweight strength, drape, and environmental resistance are critical. The analysis covers material properties, performance characteristics, and suitability for specific use cases to support informed material selection.

Material Composition and Structural Properties

BEZA Heavy Chiffon is constructed from 100% polyester filament yarn with a tight plain weave and a nominal weight of 85 g/m². The yarn undergoes a specialized heat-setting process to enhance dimensional stability under cyclic thermal loads. Chiffon Voile, in contrast, uses a finer 75 denier polyester filament with an open plain weave structure, resulting in a lighter weight of 55 g/m² and higher air permeability. Both materials utilize cationic dyeable polyester for improved colorfastness in UV-exposed applications.

The thread count for Heavy Chiffon averages 120 ends per inch (epi) by 90 picks per inch (ppi), while Chiffon Voile measures 100 epi by 70 ppi. This difference directly influences tear resistance: Heavy Chiffon exhibits a trapezoidal tear strength of 8.2 N (warp) and 7.5 N (weft) per ASTM D5587, whereas Chiffon Voile registers 5.1 N and 4.8 N respectively. Bursting strength follows a similar trend, with Heavy Chiffon at 185 kPa and Chiffon Voile at 110 kPa (ASTM D3786).

Both fabrics receive a fluoropolymer-based water-repellent finish, achieving a spray rating of ISO 4 (80% surface wettability resistance) after 20 wash cycles. The finish adds approximately 2 g/m² to the base weight and does not significantly alter hand feel or drape coefficient.

Performance Characteristics in Industrial Environments

In high-humidity condensation environments (e.g., food processing washdown zones), Heavy Chiffon maintains 92% of its initial tensile strength after 500 hours at 95% RH and 40°C, compared to 85% for Chiffon Voile. This differential stems from the tighter weave reducing moisture absorption at the fiber level. Neither material shows signs of hydrolysis or microbial degradation under these conditions due to the inherent stability of polyester.

For outdoor tensile structures exposed to solar radiation, both fabrics retain over 80% color strength after 1,000 hours of UV exposure (QUV-A, 0.89 W/m² at 340 nm) thanks to the cationic dye system. However, Heavy Chiffon demonstrates 15% lower elongation at break under sustained UV load due to its higher crystalline polymer orientation from the heat-setting process.

Air permeability, measured per ASTM D737, is 320 cm³/cm²/s for Chiffon Voile and 185 cm³/cm²/s for Heavy Chiffon. This makes Chiffon Voile preferable for applications requiring passive ventilation, such as equipment covers or filter pre-filters, while Heavy Chiffon’s lower permeability provides better resistance to wind-driven rain ingress in temporary enclosure systems.

Applications and Functional Suitability

BEZA Heavy Chiffon is commonly specified in industrial safety barriers where controlled visibility and impact resistance are required. Its higher mass per unit area reduces flutter in wind speeds above 15 m/s, minimizing fatigue-induced failure at attachment points. It is also used as a release layer in composite molding processes due to its low surface energy and consistent thickness tolerance (±3 g/m²).

Chiffon Voile finds use in light-duty filtration applications where low pressure drop is essential, such as pre-filters for HVAC systems in cleanrooms. Its open structure allows for efficient particulate capture at face velocities below 0.5 m/s without significant clogging. Additionally, it serves as a protective interleave in the storage and transport of polished metal sheets, preventing surface abrasion while allowing moisture vapor transmission.

Both materials are suitable for theatrical and event scenery when treated with flame-retardant additives (meeting NFPA 701 Test Method 2), though Heavy Chiffon’s greater opacity makes it preferable for background scrims where light bleed must be minimized.

Technical Specification Comparison

All values represent typical test results from laboratory conditions. Actual performance may vary based on end-use exposure, finishing treatments, and conversion processes. Custom finishes, widths, and put-up lengths are available upon request to meet specific project requirements.

For technical consultation, sample requests, or to discuss customization options for BEZA Heavy Chiffon or Chiffon Voile in your application, please contact our engineering team.