What Valmet Paper Lab measures?

Tear

Select measurement module
Burst Tear Tensile Smoothness-top and bottom Bendtsen Smoothness-top and bottom Parker Print Surf Smoothness-top and bottom Sheffield Smoothness-top and bottom Bekk Smoothness-top and bottom/Porosity-Oken Porosity Bendtsen Porosity Gurley Porosity Sheffield UV-Color Diffuse Gloss-2 Tappi 75° Caliper Basis Weight Tensile Stiffness Orientation Multi-Filler Moisture Compression strength (SCT) S-Test Bending Stiffness (Board and Paper models) Blackening Scarredness Formation

Tearing strength of paper indicates the efficiency of stock refining and blending.

Measuring range
Tear strength 10–10,000 mN

Measurement according to standard ISO 18522. Related standards: TAPPI T414, CPPA D.9, APPITA P400, ASTM D689, ISO 1974, BS 4468, DIN EN 21974, JIS P 8116.

Datasheet