(...) The technology may be real, but I don't believe TLC uses any PET derived plastics for any brick parts, though they do use them for packaging (clear BIONICLE pods are PETE, and opaque ones are straight PET). Since the pods are really just (...) (20 years ago, 25-Aug-04, to lugnet.color, FTX)
It's not just for PET. I found 3 companies that provide liquid color for your resin of choice. When that press release was written (2000) the PET process must have been new. I'm going to ask Maguire (who make colors as well as molding machine (...) (20 years ago, 26-Aug-04, to lugnet.color, FTX)