This instrument is in accordance with the industry standards of the People's Republic of China JTG E20-2011《 Test Regulations for Asphalt and Asphalt Mixture in Highway Engineering T0752-2011《 Designed and manufactured as specified in the wet wheel wear test of slurry mixture, it is suitable for testing the compatibility and water damage resistance of the slurry sealing mixture after forming, and can be used to determine the optimal asphalt content of the mixture together with the load wheel load test.

1. Main technical characteristics
1.This instrument has a floor-standing structure, novel design, stable structure and easy to use.
2.The structural design of this instrument and the specifications and dimensions of the test instrument are in compliance with the T 0752-2011 Standard requirements.
 
2. Main technical parameters and indicators
1、Motor speed: 1400 rpm；
2、Working power supply:             AC Three-phase 380 V±10%；50Hz；
3、Power consumption of the whole machine: not more than 380 W；
4、Grinding head rotation speed: 140 rpm；
5、Grinding head rotation speed: 61 rpm；
6、Grinding head quality: 2.27 kg（ Quality of work)；
7、Grinding head rubber tube length L：     127mm；
8、Timing performance: 5 minutes timing；
9、Dimensions: 620 ×500×780(mm)（long ×Width ×high)；
10、Body weight: 260 kg。

3. Optional accessories
1、Balance: Weighing 6000 g， The sense amount is not greater than 1 g；
2、Oven: With forced ventilation, the temperature can be controlled (60±3)℃；
3、Constant temperature water bath:           HWY-1 Low temperature constant temperature water bath.