This standard proposes the specifications for the state adjustment and testing of various plastics and various samples under constant environmental conditions equivalent to the average environmental conditions of the laboratory. This standard does not include dedicated environments for some special tests or materials or for simulating a particular climatic condition.
GB/T 2918-1998 history
2019GB/T 2918-2018 Standard environment for conditioning and testing of plastic specimens
1998GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
1982GB 2918-1982 Standard environment for conditioning and testing of plastic specimens