Inclusion within an Acrylonitrile-Butadiene-Styrene Handle
The handle from a consumer product exhibited an apparent surface defect. The handle had been injection molded from a medium viscosity grade ABS resin. The anomalous appearance was objectionable to the assembler of the final product and resulted in a production lot being placed on quality-control hold. Investigation included visual inspection, 24x micrographs, and FTIR in the reflectance mode. The spectrum obtained on the included material was characteristic of polybutadiene, the rubber-modifying agent present in ABS. This supported the conclusion that the inclusion's most likely source was an undispersed gel particle formed during the production of the molding resin....
Inclusion within an Acrylonitrile-Butadiene-Styrene Handle, ASM Failure Analysis Case Histories: Household Products and Consumer Goods, ASM International, 2019, https://doi.org/10.31399/asm.fach.homegoods.c0090430
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