What does the Superpave performance grade designation PG 70-28 indicate?
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A
The binder passes high-temp tests at 70°C and low-temp tests at -28°C
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B
The mix has 70% aggregate and 28% filler
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C
The binder softening point is 70°F and flash point is 28°C
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D
The mix passes Marshall stability at 70 kN and 28 blows