Acoustic Absorption of Natural Fiber Composites

Table 1

Advantages and disadvantages of natural fibers [17, 18].

Advantages	Disadvantages
Are biodegradable, cheaper, and eco-friendly and have low specific weight.	Have lower antifungus, durability, moisture, and fire resistant qualities.
Are abundantly available and high electrical resistant.	Have a negative impact on climate change (CO2 absorption).
Have good thermal and acoustic insulating properties.	Exhibit lower acoustic absorption compared to synthetic fibers, due to a larger diameter.
Have low toxicity and less human health hazards during processing and handling.	Have poor fiber-matrix adhesion and moisture resistance which causes increase in volume for swelling of the fibers.