CRT-SWT Slurry Testing Machine
High Modulus Asphalt Testing System
    Model: CRT-SWT Slurry Testing Machine
    Country of Origin: UK
    Use: Abrasive head according to EN 12274-5
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The slurry surfacing test machine CRT-STM also known as Wet Track Abrasion Test Machine was developed to simply and reliably determine the minimum binder content of the mix under wet track abrasion conditions according to the determination of wearing test: EN 12274-5.

  • EN 12274-5
  • ASTM D3910
  • ISSA TB100

Key Features

Abrasive head according to EN 12274-5
Planetary gear system providing the abrasive head with rotating speed of 144rpm for 61 complete cycles of the planetary system
Test bath fitted with three spindles to fix the test base plate
310mm diameter and 5mm thick test base plate with 3 or 4 knurled head screw fasteners
Hose can be supplied made from 80° shore hardness rubber. The rubber is reinforced with double cord surface
The hose has an internal diameter 19mm and an external diameter of 31mm
Integral timing device stops the test automatically after 300 seconds
Type A,B,C and D Ring shaped annular metal moulds available

Key Uses

Determination of wearing
Determination of minimum binder content

Planetary Speed 144rpm for 61 complete cycles
Vertical kinetic friction force 22.3N
Test base plate diameter mm 310
Test base plate thickness mm 5
Test piece base density 700g/m2
Test bath dimensions mm (WxDxH) 400 x 400 x 125
Automatic timer duration 300 sec
Hose hardness 80° shore
Hose with standing pressure > 2533MPa
Hose internal diameter mm 19
Hose external diameter mm 31
Dimension mm (WxDxH) 450 x 460 x 560
Estimated Weight Kg 35
Electrical Supply 220-240 Volts 50Hz @ 13A (others available)

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