ASTM D-36 / AASHTO T-53
For determining softening point of asphalt and tar
using the ring and ball method. The test is performed
in duplicate under very closely controlled conditions.
Water is used as the bath medium for binder with
softening points below 80º C. Above this temperature
glycerol is used in place of water.
Dimension ( l x w x h) : 90 x 30 x 30 cm
Gross weight : 10 kg
Consist of :
PP 25-1274-1 Shouldered Ring Assembly Machine brass, height adjusment.
PP 25-1274-2 Standard Ball. Steel ball.
PP 25-1274-3 Flash Support. Mesh wire gauze variable height adjusment.
PP 25-1274-4 Support Assembly Metal, provided with thermometer holder.

PP 29-1281 Bunsen Burner. Heat resources.
PP 29-1284 Asbestos Wire Gauze 15 cm x 15 cm.
PP 29-1296-5 Beaker Glass 100 ml capacity.
PP 29-1319-1 Thermometer ASTM 15 C, 2 to 80p C