Fast, simple, method for determining surface profile of blast cleaned surfaces. 0-Film replica tape is pressed onto the blast cleaned surface forming an exact reverse replica of the profile. The replica tape is then measured with a specially modified spring Micrometer to determine the maximum peak to valley height.
Stock # 20138
(Testex micrometer guage, standard)
Stock # 20138D
(Testex micrometer guage, digital)