Daltex Amber Gold
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The Daltex Amber Gold 1-4mm is a smaller grade of pea gravel with yellows and brown colours and a rounded and smooth texture.
Used to fill voids in any of the other larger gravels either the browns or the yellows. This aggregate is also highly effective used on its own for a thinner internal finish or for use in resin bonded surfacing.
This product can contain reactive iron (please see Resin Bound-how its done, for more information).
We strongly recommend the use of UVR resin with all DALTEX dried aggregates.
Hardness - 6
PSV - 35-40
AAV - 2
AIV - 18
PSV - Polished Stone Value
The PSV of an aggregate is a measure of the resistance of an aggregate to polishing and the value is established by subjecting the aggregate to a standard polishing process and then testing the aggregate with a portable skid resistance tester. Aggregate that has a PSV over 60 is regarded as a High Skid Resistant Aggregate. The higher the PSV figure the greater resistance the aggregate has to polishing.
AAV - Aggregate Abrasion Value
A known mass of aggregate chippings are set in resin in a small test panel and subject to abrasion on a grinding apparatus. The loss in weight of the aggregate after a specified time as a percentage of the original weight is the AAV.
AIV - Aggregate Impact Value
The aggregate impact value is a strength value of an aggregate that is determined by performing the Aggregate Impact Test on a sample. The AIV is the percentage of fines produced from the aggregate after subjecting it to a standard amount of impact. Below 10 would be regarded as strong, above 35 would normally be regarded as too weak to be used in road surfaces.
ACV - Aggregate Crushing Value
The aggregate crushing value is a value which indicates the ability of an aggregate to resist crushing. The lower the figure, the stronger the aggregate ie the greater its ability to resist crushing.