Ring and ball tester, automatic

Automatic determination of the softening temperature of bitumen, bituminous mixtures, resins and thermoplastic adhesives

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Description

The device has a glass-ceramic heating field and a magnetic stirrer with adjustable speed built in underneath. It is operated via a touch panel. A microprocessor-controlled regulation with continuous temperature measurement in the beaker ensures a standard-compliant temperature rise of 5 K/min. The falling through of the balls is detected by a light barrier on the right and on the left and the respective temperature value is displayed digitally. At the same time, the difference between sample 1 and 2 is output. Three test modes can be preselected for water from 30 to 80 °C, glycerol from 80 to 150 °C and silicone oil from 30 to 200 °C.

AASHTO T53

ASTM D28

ASTM D36

DIN EN ISO 4625

EN 1238

EN 13179-1

EN 1427

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