Application Laboratory Standard Flutter is used to make corrugated paper as samples to do corrugated medium test (CMT) and corrugated crush test (CCT), should be used together with Paper Compression Tester and other accessories such as ring crush sampler. Features Quality parts and new reliable design ensure easy operation, high precision and stable performance High temperature heating offers Once-forming corrugating. This machine can make Flute A, Flute B, C, E are offered on request.