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Balanced Mix Design Meets Its Missing Standard – Inside ASTM WK99720

Posted by Anthony Davis

|July 31, 2026

Balanced Mix Design Meets Its Missing Standard - Inside ASTM WK99720

For most of the past two decades, an asphalt mixture has been specified largely by what goes into it. Binder grade, aggregate gradation and air voids define the recipe, a...

Weekly Spot Prices - 31 Jul 2026

Indicative weekly spot prices for 60/70 grade. Actual delivered costs vary by packaging, logistics and duties.

Region	USD/tonne	Trend
Middle East · FOB (drums)	480	▲
Europe · Delivered	590	▼
Asia · Delivered (bulk)	398	▼
USA · Bulk	610	▲

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University of Canterbury

Balanced Mix Design Meets Its Missing Standard – Inside ASTM WK99720

University of Canterbury

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