Polish Paver Machine
The Cooper-Wessex polish paver-value determination follows the BS812 aggregate abrasion method to polish the samples of pavers. The abrasion lap is modified by attaching standard a rubber disk. Corn emery and emery flour abrasives are fed to the samples under test as in the BS812 determination. The specimens are prepared to aggregate abrasion test specimen dimensions. Flat control specimens (of the same control stone as the PSV test) are also made to these dimensions.
After completion of the polishing procedure the degree of polish is measured with the Pendulum skidresistance test in a similar way to the PSV test. A flat to curved correction factor is then applied to estimate the ‘polished-paver value’; a correction being applied in the same way as the PSV test according to the level of the control specimens. The method has been published by the British Standards Institution a draft for development (DD 155). It also forms the basis of the draft European Standard.
Standards
- BS 7932:1998 (Determination of Polish Paver Value)
- DD 155
Key Features
- Heavy duty mainframe on adjustable anti-vibration pads
- Steel lap wheel 610 mm diameter
- Precision machined steel shaft and sealed bearings
- Resilient mounted electric motor
- Totally enclosed, grease filled gear box
- Scraper blades for sand removal
- Predetermined revolution counter
Key Use
- Determination of Polished Paver Value
For more information visit: .uk/shop/aggregate-testing/polish-paver-machine/
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