Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir

Rohny Setiawan Maail ; Lydia Riekie Parera
International Journal of Industrial Innovation and... 📅 2025 Vol 2, No 4 🔗 DOI: 10.61132/ijiime.v2i4.413
Abstract
Driven by the need for sustainable building materials with effective acoustic performance, this work investigates coconut-fiber-based cement-bonded particleboard as a bio-based alternative, evaluating its sound absorption and transmission characteristics to determine suitability for noise control in architectural and industrial applications while considering manufacturability, local material availability, and potential environmental benefits compared to conventional synthetic panels and providing guidance for designers and manufacturers across different climatic zones. This study aims to analyze the acoustic characteristics of coconut-fiber-based Cement-Bonded Particleboard (CBPB) through measurements of the Sound Absorption Coefficient (SAC, α) and Transmission Loss (TL). CBPB samples were fabricated with thickness variations of 12, 16, and 20 mm and tested using an impedance tube in accordance with ISO 10534-2:1998 and the ASTM E90-09 (2016) method. The results showed that the α value increased with both frequency and panel thickness, reaching a maximum of 0.78 at frequencies of 2500–3150 Hz for the 20 mm panel. The highest TL value reached 42 dB at a frequency of 4000 Hz. Coconut-fiber-based CBPB demonstrated strong potential as an eco-friendly structural acoustic material.
Keywords
Cement Bonded Particleboard; Coconut Fiber; Eco-Friendly Material; Sound Absorption Coefficient; Transmission Loss
How to Cite

Rohny Setiawan Maail & Lydia Riekie Parera (2025). Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir. International Journal of Industrial Innovation and Mechanical Engineering, 2(4). https://doi.org/10.61132/ijiime.v2i4.413

Rohny Setiawan Maail; Lydia Riekie Parera, "Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir," International Journal of Industrial Innovation and Mechanical Engineering, vol. 2, no. 4, 2025.

Rohny Setiawan Maail; Lydia Riekie Parera. "Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir." International Journal of Industrial Innovation and Mechanical Engineering, vol. 2, no. 4, 2025.

Rohny Setiawan Maail; Lydia Riekie Parera. "Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir." International Journal of Industrial Innovation and Mechanical Engineering 2, no. 4 (2025).

Rohny Setiawan Maail & Lydia Riekie Parera (2025) 'Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir', International Journal of Industrial Innovation and Mechanical Engineering, 2(4). doi: 10.61132/ijiime.v2i4.413.

Rohny Setiawan Maail; Lydia Riekie Parera. Measurement of Sound Absorption Coefficient (SAC) and Transmission Loss (TL) in Cement-Bonded Particleboard Made From Coconut Coir. International Journal of Industrial Innovation and Mechanical Engineering. 2025;2(4).

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