三. Properties and Tests Most board tests are described in methods provided by TAPPI. Standard corrugated board burst and crush tests. 1. Mullen burst test (TAPPI T 810) Forcing a rubber diaphragm against the facing until it bursts三. Properties and Tests Most board tests are described in methods provided by TAPPI. Standard corrugated board burst and crush tests. 1. Mullen burst test (TAPPI T 810) Forcing a rubber diaphragm against the facing until it bursts