Ball and ring apparatus
Ring and ball tester
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Ring and ball automat device
according to EN 1427, ASTM E28 and D36, AASTHO T53
Automatic ring and ball tester for 2 samples
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For the detemination of the softening point of bituminous mixtures
acc. ASTM D36 - AASHTO T53 - BS 2000 - EN 1427
- EN 1871 - NF T66-008 - SNV 671743a