H.P.D. is the chemical breakdown of a Cellulose Acetate mixture found in early 20th century plastics,often found today in hard plastic Pedigree, Rosebud, BND, Roddy, Palitoy dolls ect ,produced in the late...
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For a number of years now,it's thought that metal hooks/mechanisams used in hard plastic dolls could be the cause of HPD, but then, how do we explain why hands and wrists on some hard plastic dolls become...
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