[国外标准] AS 4828.4-2008 Degradability of plastics—Methods of test Method 4 Test method for heat aging of degr
[国外标准] AS 4828.2-2008 Degradability of plastics—Methods of test Method 2 Determination of brittle point in
[国外标准] AS 4828.1-2009 Degradability of plastics—Methods of test Method 1 Determination of level of prodegra