This standard specifies the method for measuring the dynamic viscosity of samples with a rotational viscometer. This standard applies to the viscosity determination of liquid rubber antioxidants and vulcanization accelerators.
GB/T 11409.8-1989 history
2008GB/T 11409-2008 Test methods rubber antiagers and vulcanizing accelerators
1989GB/T 11409.8-1989 Test method of viscosity for rubber antiager and vulcanizing accelerators--Rotational viscometer method
GB/T 11409.8-1989 Test method of viscosity for rubber antiager and vulcanizing accelerators--Rotational viscometer method was changed to GB/T 11409-2008 Test methods rubber antiagers and vulcanizing accelerators.