Overview
Softening Point of Asphalt (Ring-and-Ball test apparatus) conforms to the ASTM D36 Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus). The apparatus covers the determination of the softening point of bitumen in the range from 30 to 157°C [86 to 315°F] using the ring-and-ball apparatus immersed in distilled water [30 to 80°C] or USP glycerin (above 80 to 157°C).
Features
1. The instrument is composed by bracket, which is made up by upper support plate, mid-support plate and lower support plate, test cup, steel ball locater, standard steel ball, flask and thermometer.
2.High-power adjustable heating instrument
3.Reasonable structure with beautiful shape, environment friendly.
Technical parameter
1.Test cup: Small partφ19±0.1mm, large partφ23-1.0mm, height 6.4±0.1mm
2.Steel ball: Covers on brass billet, the other three locating studs control the steel ball to fall
3.Steel ball positioner: freely in the middle of the test cup through the gap over the locating studs.
4.Standard ball: Diameterφ9.5mm, weight 3.50g±0.05g
5.Bracket: It gets two pivots to contact upper support plate, mid-support plate and lower support plate and fix the distance 25mm. On the pivots, 51mm from mid-support plate there is a mark of scribed line which is as index of the height pouring water or glycerin.
6.Beaker: Volume 800ml, diameter is aboutφ90mm, height is no less than 140mm.
7.Thermometer: ASTM 15C and 16C.
8. Net dimension: 240*280*130mm, 8kg