15Plastics105Db
Evonik · Acrylic (PMMA)

Plexiglas 7N

PMMA

PLEXIGLAS® 7N is an amorphous thermoplastic molding compound (PMMA) with good flow, high mechanical strength, surface hardness and mar resistance, high light transmission, very good weather resistance, free colorability due to crystal clarity, high heat deflection temperature, and AMECA listing. Used for injection molding optical and technical items.

Manufacturer
Evonik
Base polymer
Acrylic (PMMA)
Status
active

Technical properties

Tensile Modulus3200 MPa
Stress@Break73 MPa
Strain@Break3.5 %
Charpy Impact Strength20 kJ/m2
Vicat Softening Temperature B/50103 ℃
Glass Transition Temperature110 ℃
Temperature of Deflection under Load 0.45MPa100 ℃
Temperature of Deflection under Load 1.8MPa95 ℃
Coefficient of Linear Thermal Expansion 0-50℃8 E-5/℃
Classes of construction productE
Flammability UL 94 1.5mmHB
Melt Volume Rate, MVR 230℃/3.8kg6 cm3/10min
Luminous transmittance D65 d=3mm92 %
Haze d=3mm<0.5
Refractive Index 589nm/23℃ d=3mm1.49
Density1.19 g/cm3
Predrying Temperaturemax.93 ℃
Predrying Time in Desiccant-Type Drier2-3 h
Melt Temperature220-260 ℃
Mold Temperature (Injection Molding)55-85 ℃

Indicative values. Always consult the manufacturer's official datasheet before specification.

Plexiglas 7N equivalents

No verified equivalents indexed yet.

Typical applications

optical waveguidesluminaire coversautomotive lightinginstrument cluster coversoptical lensesdisplays
Base polymer
Acrylic (PMMA)
See the full PMMA technical sheet
Manufacturer
Evonik
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