Summary
This instrument is designed and made as per industrial standard T
***3 Standard test method for breaking point of bitumen by Fraass
method in JTG E******1 Standard Test Methods of Bitumen and
Bituminous Mixtures for Highway Engineering.
Main technical specifications
1. The instrument is composed of outer cylinder, temperature
preservation cylinder, thermometer, lower plate, upper grip, fixing
rod, base, guide rail, sweeping block, handle, steel sheet and so
on.
2. The temperature preservation cylinder is a double layer glass
cylinder. It is used to place the dry ice and ethyl alcohol
mixtures. It is the cooling unit.
3. The lower plate and upper grip are metal
sheets.
4. The fixing rod and movable rod are made of
fabroil.
5. The base, guide rail, sweeping block and handle are used to
changer the relative position of fixing rod and movable rod to make
the sample sheet bending.
6. Thermometer： **8℃~**0℃，division value
0.5℃
7. Size of sample sheet：
*1mm×*0mm×0.*5mm
8. Dimension： Φ**0mm×**0mm
