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The test program

According to the result of sample test, the material should be divided into 94-5 va or 94-5 vb

Test procedure is as follows:

Without burning through samples for 94-5 va

Burn through samples for 94-5 vb

Sample: 5 "x 1/2" x thickness (rod) 6 "x 8" x thickness (plate) for typical thickness (1/16, "1/8", 1/4 ")