(Ring& Ball Apparatus)
This apparatus ismeant for determination of softening point of Bituminious materials accordingto IP 58 and IS 1205-1958. Softening point is that temperature at which thespecimen under test becomes soft enough to allow a steel ball of specificdimension to fall a required distance under test condition The apparatus consists of glass beaker, ringstand two steel balls with ring and ball guides & hand stirrer.
NAC-412 Softening Point Apparatus(without glass beaker)
NAC-412C Softening Point Apparatus(with glass beaker)
NAC-412/A Softening Point Apparatus (Ring & Ball Apparatus),withelectric motorised stirrer and electric heater ,stand with temperature regulator.
NAC 412/B Softening point apparatus with motorised stirrer , electricheated by concealed hot plate with temperature regulator.
1. NAC -412/A Thermometer IP 60C.
2. NAC -412/B Thermpmeter IP61C.
3. NAC -412/C Spare Concealed Hot Plate.
4. NAC -412/D Spare centring guide and steel ball(Pack of 2 Nos).