X-ray attenuation coefficient (µ) is a unique material that accurately reflect their ability to absorb x-rays x-rays energy 40 kilo Volt. The ability to degrade the x-rays of cross-link polyurethane (xPU) can degrade the x-rays were 27.78%, very few x-ray attenuation. Compared to composite plate with xPU/Bi2O3 xPU/BaSO4, where the concentration is 50 phr xPU Composite plate/BaSO4 can reduce the sheet of x-rays was 96.08 composite xPU/Bi2O3 can degrade 98.75% can see the x-rays have the composite xPU/Bi2O3 has the ability to degrade the x-rays than composite plate due to the atoms of BaSO4 xPU/Bi (208.98) has a higher molecular mass Ba (137.327) so it can better absorb the x-rays.
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