CCHS Plastics Technology

Mr. Thomas

What is acrylic plastic?

Thermoplastic or thermosetting plastic substances derived from acrylic acid, methacrylic acid or other related compounds.

Types of AcrylicPolymethyl acrylate – used in lacquer, textile finishes, adhesives and, mixed with clay, to gloss paper.

Polymethyl methacrylate (Plexiglas) – which is used to make hard plastics with various light transmitting properties.

Acrylic CNC Machine

VersaLaser

Engraver / Cutter

This machine uses an AutoCAD design.

A laser etches or cuts the acrylic sheet based on the created design.

Advantages of Acrylics

1. Stronger more impact resistant than glass

2. Insulates better than glass3. ½ the weight of glass4. Can be sawed, cuts easier than glass5. Glass has a green tint, acrylics are

clear6. Has the ability to be shaped

Disadvantages of Acrylics1. More expensive than glass

2. Exposed to direct flame it will melt and eventually burn

3. Cracks easily

4. Scratches easily, must be polished to remove scratches

5. Manufacturing plastic is hazardous to workers

6. Not easily recyclable