plastic pipe pvc flattening test ASTM D2241
Date：2019-07-16 Source：United Test Views：100
Flattening Test—Flatten three specimens of the pipe, 2 in. (50 mm) long, between parallel plates in a suitable press until the distance between the plates is 40 % of the outside diameter of the pipe. The rate of loading shall be uniform and such that the compression is completed within 2 to 5 min.
On removal of the load, examine the specimens for evidence of splitting, cracking, or breaking.
– Minimum load required (no deflection limit indicated)
– Flattening test to 40% with no visible cracking