Current edition approved June 15, 2015. Published September 2015. Originally approved in 1952. Last previous edition approved in 2008 as D1229 – 03 (2008). — 3 p.
This test method covers evaluation of the ability of vulcanized rubbers that have been compressed at room temperature and then subjected to low temperature (air or carbon dioxide atmosphere), to recover from deformation when taken from the clamping device while still at the low temperature.