Details:
product quality assurance with GB1723-79 coating viscosity determination of the national standard.
1, "Tu-4" viscometer for determination of viscosity is : a certain amount of the sample in a certain temperature. from the provisions of the pore diameter of the discharge time.
2, K : the set temperature conditions, using two standard oil filled viscometer, End the flow of time should 30~100s context, the value of K within 0.97~1.03
|