Warpage
Dimensional distortion in a molded object
Weathering
The detrimental effect upon an elastomer or plastic after outdoor exposure
Weld Lines
(knit lines) The marks visible on a finished part made by the meeting of two flow fonts during molding
Width
The cross-sectional diameter of an O-ring. one half the distance between the I.D. and O. D. of the ring
ZST
Zero strength time. A test for molecular weight
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