This paper seeks to understand how users
appraise and
perceive sustainable material
s
. Using
th
inking aloud sessions
, appraisals of sustainable materials embodied in
commercial
products
were collected
from users and categorised
.
To account for the appraisal
of systemic features of
materials w
e have extended
a previous categorisation of
material appraisals
. We have also
investigated the relationships between the appraisal themes of sustainable materials
. The results
stress the
influence of material origin in
the appraisal.
This understanding is useful
to facilitate
the uptake of the materials.