This instrument is based on the standards of the People's Republic of China GB/T 4507《 Petroleum asphalt softening point determination method, industry standards of the People's Republic of China JTG E20-2011《 Test Regulations for Asphalt and Asphalt Mixture in Highway Engineering T 0606-2011《 Designed and manufactured as required by the asphalt softening point test (Global Law)" and is suitable for the determination of various asphalt softening points such as road petroleum asphalt, coal asphalt, liquid petroleum asphalt, and is a preferred instrument for various asphalt production enterprises, highway and bridge construction units, and related colleges and universities and research institutions.
  This instrument can also be used for testing softening points of resin products.

1. Main technical characteristics
1、This instrument is a small bench-type structure, the beaker is made of high-temperature resistant glass, and the specifications and dimensions of shoulder rings, steel ball positioning rings, steel balls, etc. meet the requirements specified in the standards.
2、It is heated by an electric heating furnace, and the heating power is continuously adjustable.
3、Two samples can be tested at the same time, which is convenient for testing and reliable results.

2. Main technical indicators and parameters
1、Shoulder ring: also known as sample mold and sample ring, with a height of 6.4 ㎜，
                               The upper aperture is 19.8 ㎜，The lower aperture is 15.9 ㎜。
2、Steel ball: 9.5 in diameter ㎜，Quality (3.50 ±0.05）g。
3、Steel ball positioning ring: inner ring 23.0 ㎜，Center 9.55 ㎜。
4、Test method: Two groups were tested in parallel at the same time.
5、Lower bearing plate: The distance from the base of the mold is 25.4 ㎜。
6、Heating container: 1000 ml Beaker.
7、Thermometer: Glass tube mercury thermometer, range 30 ℃～180℃，
                                Grading 0.5 ℃（conform to GB/T 514 standard).
8、Instrument weight: 1.5 ㎏。