[Civil Engineering Version] Daily Question 20180401
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Which of the following is the correct description of the peeling test for silicone structural sealant in semi-hidden frame and hidden frame glass curtain wall components? ( ) a. Manual stripping tests are not allowed; the test must be carried out by a qualified testing laboratory using appropriate testing equipment.b. 3% of the total number of curtain wall components should be randomly selected for stripping tests.
c. If the structural adhesive is torn along its surface after stripping, then that component is considered unqualified.
d. If the structural adhesive separates from the substrate after stripping, then that component is considered unqualified. Answer: b
d. After stripping, if the structural adhesive separates from the substrate, then this component is considered unqualified
d. After stripping, if the structural adhesive separates from the substrate, then this component is considered unqualified
b. A random sample of 3% of the total number of curtain wall components shall be selected for the peeling test