PMMA XT | CutWise

PMMA XT (Extruded Acrylic)

Plastic

PMMA XT, or extruded acrylic, is a transparent plastic with high clarity and excellent UV resistance. The material is lightweight, easy to process, and a popular alternative to glass. Thanks to the extrusion process, PMMA XT offers higher dimensional stability and is more cost-effective than cast PMMA, making it ideal for flat applications with standard tolerances.
Well-known trade names for PMMA XT include Altuglas®, Plexiglas® XT, Acryplast®, and Perspex® XT. These grades are widely used in advertising, interior design, construction, and mechanical engineering.

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Properties of PMMA XT

Excellent light transmission (up to 92%)
Crystal clear and optically attractive
UV resistant and does not yellow in sunlight
Lighter and more impact-resistant than glass
Very easy to machine and laser cut
Well-suited for bonding and thermoforming
High dimensional stability thanks to extrusion process
Weather-resistant
Available in transparent, opal, and colored variants

Thanks to this combination of optical quality and processability, PMMA XT is a favorite material for displays, panels, and protective screens for both indoor and outdoor applications.

Datasheet Title

Technical properties of PMMA XT

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Product information and operations

Thickness	Dimensions	Color
1 mm	3050x2050 mm	Clear
1.5 mm	3050x2030 mm	Clear
2 mm	3050x2050 mm	Clear White ±RAL9016 Black ±RAL9005
3 mm	3050x2050 mm	Clear White ±RAL9016 Black ±RAL9005 Red ±RAL3020 Yellow ±RAL1023 Green ±RAL6005 Blue ±RAL5017 Mirror Silver Opal 26% LT
4 mm	3050x2050 mm	Clear
5 mm	3050x2050 mm	Clear
6 mm	3050x2050 mm	Clear
8 mm	3050x2050 mm	Clear
10 mm	3050x2050 mm	Clear
12 mm	3050x2050 mm	Clear
15 mm	3050x2050 mm	Clear
20 mm	3050x2050 mm	Clear

Technical properties

General

Specific Gravity 1,19 g/cm³

Moisture Absorption under Standard Climate 0,5 %

Flammability B2

Specific Heat Capacity 1,32 kj/Kg°C

Temperature Range

Minimum Service Temperature -30°C

Maximum Service Temperature +80°C

Mechanical

Tensile Strength 74 N/mm

Elongation at Break 5 %

E-Modulus 3000 N/mm²

Flexural Strength 120 N/mm²

Impact Strength 10 Charpy

Shore or Ball Indentation Hardness 80 Shore °D

Coefficient of Friction 0,54

Electrical

Relative Permittivity (Dielectric Constant) 3,7 / 100 Hz

Dielectric Loss Factor 0,06 tan(..x10⁻³)

Volume Resistivity 10 Ω cm

Surface Resistivity 10 Ω

Comparative Tracking Index (CTI) 600 KC

Dielectric Strength 23 kV/mm

Thermal

Crystalline Melting Point 103 °C

Thermal Conductivity 0,19 W/m°C

Coefficient of Linear Thermal Expansion 0,07 mm/m°C

Continuous Service Temperature (unloaded) -30 / 80 °C

Maximum Short-Term Service Temperature 100 °C

Heat Deflection Temperature (HDT) 102 °C

Applications of PMMA XT

Machine guards and protective covers

Displays and product presentations

Advertising signs and light boxes

Interior cladding and furniture finishes

Façade lettering and router-cut letters

Windows for vehicles or cabins

Decorative panels and design applications

Cover plates and hygiene screens

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Frequently Asked Questions about PMMA XT

What is the difference between PMMA XT and cast PMMA (GS)?

PMMA XT is extruded—offering more consistent thickness and lower cost. Cast PMMA (GS) has lower internal stress and is better suited for heavy machining like bonding and polishing.

Can PMMA XT be used outdoors?

Yes. It’s UV-resistant and does not yellow, remaining stable under prolonged sun exposure.

Is PMMA XT suitable for laser cutting?

Absolutely, laser cutting yields a smooth, polished edge. Be mindful, however, of internal stresses in thicker sections.

How impact-resistant is PMMA XT?

It’s about ten times more impact-resistant than glass but is more brittle than polycarbonate. For applications subject to heavy impacts, polycarbonate is recommended.

Is PMMA XT food-safe?

Not all grades are food-safe. For food-contact applications, request a certificate of food-safe compliance.

Can PMMA XT be bonded?

Yes, suitable acrylic adhesives work well, though improper bonding can introduce stress cracks.

Is PMMA XT bendable?

Yes, at 100–120 °C it can be thermoformed, making it suitable for warm bending and shaping.

Is PMMA XT scratch-resistant?

It’s harder than many plastics but can still scratch. For scratch-critical uses, consider surface coatings or hardened glass.