Figure 9.
Shore A hardness comparison of PHB composite samples against the control sample. The bar shows the mean hardness (±standard deviation) of five measurements on each sample.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.