ABRASION TESTER AT 1000TS USAGE To determine the abrasion of fillers and pigments with platelet shaped components for comparison and quality control. DEVICE DESCRIPTION The abrasion tester AT 1000 which has been in use since 1970 all over the world, is ideal for the comparison and quality control of platelet shaped fillers and pigments. The […]


It all started in 1954, with a targeted vision and a great idea. The company was founded in Upper Swabia, Germany, more precisely in the historic Herrengasse in Oberdischingen, the former court forge of the Malefizschenk. Bareiss company founder Heinrich Bareiss developed his vision to produce mechanical hardness testers and that is how Bareiss Prüfgerätebau […]


OpTest Equipment Inc. manufactures and markets state-of-the-art equipment used for measuring the quality of pulp, paper, board and tissue. Our products include both laboratory and on-line analyzers for quantifying the quality of pulp and paper. Our customers range from pulp, paper and tissue mills to the R&D Centres in the pulp, paper, tissue and allied […]