Nc State University

TAPPI Test Method T 414 is based largely on the standard instrument of capacity 1600 gf. Of the two tear testers (Lorentzen & Wettre) available and standing side by side in our paper testing laboratory, it is the one on the right-hand side that should be used with T 414. ... Turn on the power of the tear tester on the by flipping the large ... ................
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