Figure 13. Creep stress limit and the design stress as
recommended by Materials International, Inc. (Source: Materials
International, Engineering Considerations 052002.doc. 5/20/2002.)
Figure 14. Shear stress relaxation modulus of Crane Plastics SU17A-1 PVC.
(After Polymer Diagnostics Inc, 1998. Courtesy, Crane Plastics Company.)
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