Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 13332-1994
Scope
This standard specifies the determination method of Rockwell M, L and R hardness of plastic materials. In principle, the M, L and R hardness are within the range of 50 to 115. In addition, plastic films, tapes and foamed plastics are not included in the scope of this standard. Remarks: 1. The hardness obtained in this standard is a type of indentation hardness, which is obtained from the indentation depth remaining after the test load is removed. Although the same is the indentation hardness, according to the test
CNS 13332-1994 history
1994CNS 13332-1994 Method of Test for Rookwell Hardness of Plastics