Acrylic

precision laser cut acrylic PMMA samples

Poly(methyl methacrylate) PMMA

The laser cutting material Acrylic is a transparent plastic material exhibiting excellent optical clarity, strength and stiffness. These properties, combined with superior weathering qualities makes it versatile for many applications. Other names include Plexiglass and trade names; Perspex, Plexiglas & Acrylite.

Applications

Many applications most commonly as an alternative to glass.

Properties

• Excellent clarity
• Lightweight
• Good impact resistance
• Outstanding thermal insulator
• UV resistant
• Easy to heat-form

Mechanical Properties

Technical name: PMMA Poly(methyl methacrylate)

Formula: (C5H8O2)n

Appearance: Solid

Melting point: 130°C (266°F)

Typical Injection Mold Temperature: 79-107°C (175-225°F)

Heat Deflection Temperature (HDT): 95°C (203°F) at 0.46 MPa (66 PSI)

Tensile Strength 65 MPa (9400 PSI)

Flexural Strength 90 MPa (13000 PSI)

Specific Gravity 1.18

Shrink Rate: 0.2 – 1% (.002 – .01 in/in)