frame materials plastic Flashcards
1
Q
cellulose acetate (plastic) features
A
always reinforced sides
joint attachment is heat inserted, pinned or screwed.
adjustment temp= 57c
laminated or dyed
2
Q
disadvantages of cellulose acetate
A
discolours with age
reacts with skin
3
Q
optyl by safilo
A
laminated or dyed
hypoallergenic
lighter than cellulose acetate
4
Q
spx by silhouette
A
dyed shrinks if overheated impact resistant flexible and lightweight nylon based super-polyamide
5
Q
cellulose propionate
A
dyed shrinks if overheated flexible lightweight hypoallergenic
6
Q
acrylic/pmma
A
laminated and dyed
very brittle
only used for supra style
7
Q
carbon fibre
A
has metal sides
very inflexible
strong
light
8
Q
cellulose nitrate
A
laminated yellows quickly highly flammable joints can rust and turn green brittle
