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PMMA Balls - Ø 1.5mm Q10000

Details

SKU: 1000127756 Product Code: ME30-SP-000110
PMMA Balls combine optical clarity, weather resistance, and dimensional stability in a precision-molded spherical form. Made from polymethyl methacrylate, they maintain transparency and mechanical integrity under UV exposure and varying environmental conditions, making them ideal for optical, display, and instrumentation uses. Industries employ them in light diffusion systems, calibration spheres for photometric equipment, and mechanical elements in precision devices where transparency aids alignment or monitoring. Specific applications include visual alignment aids in metrology, refractive components in optical sensors, and low-friction rolling elements in display technologies. In research, PMMA balls support optical scattering studies, wear analysis under transparent conditions, and material performance testing in outdoor environments. Their combination of visual clarity, durability, and precision geometry ensures reliability in both advanced industrial and scientific applications.
Formula: PMMA, Acrylic
Diameter: 1.5mm
Quantity: 10000 Pcs
Type: Precision Sphere
Sphericity: 50µm
UOM Code: 935-150-62

Tolerances

Ball/Sphere
Diameter Standard ±5%
Diameter Precision See Item
$4,460.00
each
No Minimum order Free technical support *Free delivery worldwide

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Material Properties

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