Taiwan Provincial Standard of the People's Republic of China
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CNS 4448-1992
Scope
This standard specifies the method for measuring the torsional stiffness (Stiffness in Torsion) of non-rigid plastics in a wide temperature range, especially below 0°C.
CNS 4448-1992 history
1992CNS 4448-1992 Method of Test for Stiffness in Torsion of Plastics as a Function of Temperature