Table I.

Manufacturing characteristics of an acetabular component.

Characteristic	Values
Resin type	1020
	1050
Radiation source	gamma irradiation
	Ebeam
	None
Multiple cross-linking treatments	Yes
	No
Cross-linking dose	In Mrad
Terminal sterilization method	γ
	Ethylene oxide (EtO)
	Gas plasma
Terminal sterilization radiation dose	In Mrad
Stabilization treatment (free radical scavenging)	None
	Heated below melting point
	Heated above melting point
	Vitamin E infused
	Vitamin E blended
	Heated below + mechanical deformation
Total radiation dose	Derived, cross-linking dose + terminal sterilization radiation dose in Mrad
Packaging	In air/air permeable
	Inert gas/non-air permeable

EtO, ethylene oxide; γ, gamma.