High quality, simple and reliable machine, complies to EN 12774-5 for the determination of wearing and minimum binder content
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.
Standards
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
Accessories
Accessories are not included in the price of main device (unless stated otherwise) and may be purchased separately if required.
CRT-STM-AH
Abrasion hose for SWT to EN 12274-5 – 127mm length
CRT-STM-AH3
Abrasion Hose for SWT to EN 12274-5 – 3 meter length
CRT-STM-AH5
Abrasion Hose for SWT to EN 12274-5 – 5 meter length
RT-STM-LP
Levelling Plate
CRT-STM-M10
Mould type B 10,0 +/- 0.5mm
CRT-STM-M13
Mould type C 13,00 +/- 0.5mm
CRT-STM-M19
Mould type D 19,0 +/- 0.5mm
CRT-STM-M6.3
Mould – Ø279x295mm Type A Wall Thickness 6.3mm
RT-STM-RINGA
Type A 6,3+- 0.5mm BS EN 12274-5:2003 Ring
CRT-STM-RINGB
Type B 10,0 +- 0.5mm BS EN 12274-5:2003 Ring
CRT-STM-TP
Test piece bases
Specifications
Technical specifications are subject to change without notice.
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 (W x D x H)
450 x 460 x 560
Weight (approx.) Kg
35
Electrical Supply
220-240 Volts 50Hz @ 13A (others available)
Calibration & Maintenance
Calibration, Annual Service and Maintenance Contracts are available for this device.
Please enquire for further details. Note: This device should be checked and calibrated annually.