Technical Data Sheet
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Impact-modified PMMA Disc

Impact-modified PMMA Discs are available in 16 variations for a wide choice of different dimensions and properties. Polymethylmethacrylate is a transparent thermoplastic often used as a lightweight or shatter-resistant alternative to glass. The impact modified version has enhanced toughness and crack resistance compared to standard PMMA. Potential applications for these impact modified PMMA Discs include machine parts, automotive lenses and protective eyewear. With Goodfellow's comprehensive selection, engineers can find the precise disc specifications required for their design.
Thickness: 0.25mm
Diameter: 12.7mm
Technical Name: Polymethylmethacrylate
Grade: Impact Modified
Formula: PMMA, Acrylic
Density: 1.185g/cm³
CAS Number: 9011-14-7
Production Method: Extruded
Transparency: Clear/Transparent
UOM Code: 130-530-61
SKU: 1000037756
Product Code: ME30-SH-000105

Tolerances

Disc
Thickness ±20%
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€105.56
each
  • Buy 5 for €85.50 each and save 19%
  • Buy 10 for €78.12 each and save 26%

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Tolerances

Disc
Thickness ±20%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Polymers

Physical Properties
Element Value
Abbe number 57.2
Flammability HB
Radiation resistance Fair
Refractive index 1.49
Resistance to Ultra-violet Good
Limiting oxygen index( % ) 17-20
Water absorption - over 24 hours( % ) 0.2
Density( gcm⁻³ ) 1.19
Chemical Resistance
Element Value
Acids - concentrated Good-Poor
Acids - dilute Good-Poor
Alcohols Good-Poor
Alkalis Good
Aromatic hydrocarbons Poor
Greases and Oils Good
Halogenated Hydrocarbons Poor
Halogens Poor
Ketones Poor
Electrical Properties
Element Value
Dielectric constant @1MHz 2.6
Dissipation factor @ 1MHz 0.014
Dielectric strength( kV mm⁻¹ ) 15
Surface resistivity( Ohm/sq ) 10¹⁴
Volume resistivity( Ohmcm ) 2-14 x 10¹⁵
Mechanical Properties
Element Value
Hardness - Rockwell M92-100
Poisson's ratio 0.35-0.4
Elongation at break( % ) 2.5-4
Tensile modulus( GPa ) 2.4-3.3
Izod impact strength( J m⁻¹ ) 16-32
Tensile strength( MPa ) 80
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 105
Heat-deflection temperature - 1.8MPa( C ) 95
Lower working temperature( C ) -40
Upper working temperature( C ) 50-90
Specific heat( J K⁻¹ kg⁻¹ ) 1400-1500
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.17-0.19@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 70-77
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  5. Impact-modified PMMA Disc Thickness: 0.25mm
    Diameter: 4mm
    Technical Name: Polymethylmethacrylate
    Grade: Impact Modified
    Formula: PMMA, Acrylic
    Density: 1.185g/cm³
    CAS Number: 9011-14-7
    Production Method: Extruded
    Transparency: Clear/Transparent
    UOM Code: 194-980-13
    €105.04
    each
    Discounts applied for volume purchases
    View Product
  6. Impact-modified PMMA Disc Thickness: 0.25mm
    Diameter: 15mm
    Technical Name: Polymethylmethacrylate
    Grade: Impact Modified
    Formula: PMMA, Acrylic
    Density: 1.185g/cm³
    CAS Number: 9011-14-7
    Production Method: Extruded
    Transparency: Clear/Transparent
    UOM Code: 188-060-75
    €105.75
    each
    Discounts applied for volume purchases
    View Product