| Biodegradability |
High water absorption |
| Renewability |
Limited processing temperature |
| Low density |
Dimensional instability |
| High filling levels and non-abrasive to the molding machinery |
Poor fire resistance |
| Easily colored |
Lower strength and lower thermal resistance |
| Non-abrasive to processing equipment |
Anisotropic behavior |
| Good thermal and acoustic insulating properties |
Sensitive to UV, microbial and fungus attach |
| Friendly processing atmosphere, non-harmful gases generation, reduced thermal and respiratory irritations |
The volatility of properties and price based on the location |
| Zero fingerprint CO2
|
Incompatibility with most hydrophobic polymers |
| Low production energy |
Poor fiber/matrix adhesion |
| Non-brittle fracture on impact |
Lower strength, especially impact strength |
