Reinforcing And Stiffening Flashcards
1
Q
What are the five types of forces ?
A
Tension- pulling
Compression- pushing force
Bending- forces at an angle
Torsion- twisting
Shear- forces acting across materiel
2
Q
What is commonly used to plastic water bottles ?
A
PET- polyethylene terephthalate
3
Q
What is often used for fabric conditioner bottles ?
A
HDPE high density Polythene
4
Q
What is commonly used for plastic toys, cling film and blister packs ?
A
PVC
Polyvinyl chloride
5
Q
What is often used for bread bags ?
A
LDPE
Low density Polythene
6
Q
What is often used for yoghurt pots and pen lids ?
A
PP
7
Q
What is often used for packaging and coffeee cups ?
A
PS polystyrene
8
Q
How can plastics be strengthened ?
A
Laminating them
