پلی‌کربنات

Key facts

Material.limiting_oxygen_index

25–29%

Material.name

Polycarbonate

Material.image

Lexan.svg

Material.image_size

300px

Material.caption

Repeating chemical structure unit of polycarbonate made from bisphenol A ---- class=skin-invert|center|300px Transmission spectrum of polycarbonate

Material.density

1.20–1.22 g/cm3

Material.abbe_number

34.0

Material.refractive_index

1.584–1.586

Material.flammability

HB-V2

Material.water_absorption_eq

0.16–0.35%

Material.water_absorption_24h

0.1%

Material.youngs_modulus

2.0–2.4 GPa

Material.tensile_strength

55–75 MPa

Material.compressive_strength

>80 MPa

Material.elongation

80–150%

Material.poissons_ratio

0.37

Material.hardness_rockwell

M70

Material.izod_impact_strength

600–850 J/m

via Wikipedia infobox

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