Color change nipple

Details Color change nipple Color change nipple

G - Physics

01

N

G01N 21/91 (2006.01) A61J 11/00 (2006.01) G01N 33/44 (2006.01) G09F 23/14 (2006.01)

Patent

CA 2151810

A wear indicator for a latex product having an underlying latex structure comprises an outer layer positioned over the latex structure. The outer layer comprises latex having a particulate filler for establishing pores in the layer and a soluble colorant that leaches out of the pores. The leaching of colorant is simulative of wear of the latex product since leaching of the colorant occurs through degrading environmental exposure.

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