DT materials

Question 1

Name 5 different materials that are good

Answer 1

Acrylic, Aluminium, Mild Steel, Plywood, High-Density Polyethylene

Question 2

Why is Acrylic good?

Answer 2

Lightweight and shatter-resistant

Easy to cut and shape

Available in various colours and finishes

Ideal for display panels, casings, or decorative parts

Question 3

Why is Aluminium good?

Answer 3

Lightweight but strong

Corrosion-resistant (doesn’t rust)

Good for structural parts or enclosures

Easy to machine and gives a clean, modern finish

Question 4

Why is Mild Steel good?

Answer 4

Very strong and durable

Good for structural or load-bearing components

Easily welded

Needs protection from rust (e.g. painting or powder coating)

Question 5

Why is plywood good?

Answer 5

Strong for its weight and cost-effective

Easy to cut and work with

Good for prototyping or internal components

Has a natural wood finish for aesthetic uses

Question 6

Why is High Density Polyethylene good

Answer 6

Tough and impact-resistant

Moisture and chemical-resistant

Commonly used for containers or functional parts

Recyclable and relatively cheap