PMMA / Acrylic / Plexiglass sheets

Plexiglass sheets, compared to other materials for example to polycarbonate are not as robust to shock loads and have a significantly lower thermal resistance, but the Plexiglas / PMMA (plates) are cheaper compared to solid polycarbonate. In comparison with silicate glass, Plexiglass sheets are 2.5 times lighter and have 5 times the higher impact resistance. PMMA sheets have the ability to transmit light and UV radiation above, it is superior in transparency, not only compared to the ordinary glass, but also to all other transparent plastics.

UV-Stability
Because it is inherently stable to UV-light, PMMA sheets are used for many outdoor applications, in which it maintains its original color and finishes for many years. Plexiglass sheets may skip 70% of UV radiation while the radiation is not permeable for the normal glass.

Surface Hardness
PMMA sheets also offer great scratch resistance and are able to be machined to a very high gloss finish. These properties, combined with PMMA’s dimensional stability, enables its use in many different applications where lasting beautiful appearances are important, such as on furniture or kitchen or bath walls or cabinet facades.

Unique Properties for Specific Performance
PMMA can be further modified by including different additives. These are typically used to improve specific properties of the polymer, usually targeted toward specific applications. Examples of properties that can be adjusted in this way are impact resistance, chemical resistance, flame retardancy, light diffusion, UV light filtering, or optical effects.

Mechanical Properties

Elongation at break ( % )	2.5-4
Hardness - Rockwell	M92-100
Izod impact strength ( J m^-¹ )	16-32
Poisson's ratio	0.35 - 0.4
Tensile modulus ( GPa )	2.4-3.3
Tensile strength ( MPa )	80

Thermal Properties

Coefficient of thermal expansion ( x10^-⁶ K^-¹ )	70-77
Heat-deflection temperature - 0.45MPa ( C )	105
Heat-deflection temperature - 1.8MPa ( C )	95
Lower working temperature ( C )	-40
Specific heat ( J K^-¹ kg^-¹ )	1400 - 1500
Thermal conductivity @23C ( W m^-¹ K^-¹ )	0.17-0.19
Upper working temperature ( C )	50 to 90

Other Properties

Abbe number	57.2
Density ( g cm^-³ )	1.19
Flammability	HB
Limiting oxygen index ( % )	17-20
Radiation resistance	Fair
Refractive index	1.49
Resistance to Ultra-violet	Good
Water absorption - over 24 hours ( % )	0.2

General specification
Applications:	used in the manufacture of various products glazing of various facilities, conservatories, greenhouses, manufacture of instrument panels, illuminated signs, showers, furniture, ceilings and floors with lighting, souvenirs, stands, tanks housings of devices, models, etc.
Temperature resistance °С	-40°C +80°C
Weight:	1.19 g/cm³
Color	Clear
Technical datasheet	PMMA - Plexiglas sheets

Applications

Industrial Applications
Automotive Components
Marine Applications

FAQ

What is PMMA?

PMMA, also known as Plexiglass or acrylic, is a transparent thermoplastic often used as a lightweight or shatter-resistant alternative to glass.

How does PMMA compare to polycarbonate?

While PMMA is cheaper and offers better transparency, it is less robust to shock loads and has lower thermal resistance compared to polycarbonate.

Is PMMA UV stable?

Yes, PMMA sheets are inherently stable to UV light, making them suitable for outdoor applications where they maintain their color and finish over time.

EXPERT ADVICE: When selecting PMMA sheets for outdoor use, ensure they are treated for UV stability to prolong their lifespan and maintain clarity.

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PMMA / Plexiglass sheets

Brand: GTeek
Product Code: PMMA / Plexiglass sheets
Availability: ✅On stock

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2000x3000 mm

1000х2000 mm

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From: 5.00 € (Ref. price)

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