ASTM D2172 | AASHTO T164
Natek Series NRET-1770 and NRET-1775 Reﬂux Extractors are used for the quantitative determination of bitumen in hot-mixed paving mixtures and pavement samples.
The bitumen content is calculated by diﬀerence from the weight of extracted aggregates, moisture content and ash from an aliquot part of the extract.
Two models available: 1000 and 4000 g capacity.
Reﬂux Extractors are supplied with;
• Cylindrical Glass Extractor Jar
• Stainless steel wire mesh cone
• Brass condenser
• Iron Wire Gauze
• Hot plate
• Filter paper