Viscosity Grade Bitumen
The new method of grading the product has now rested on the viscosity of the Bitumen (at 60ºC and 135ºC). The new grades have thus evolved with nomenclature.
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The new method of grading the product has now rested on the viscosity of the Bitumen (at 60ºC and 135ºC). The new grades have thus evolved with nomenclature.
You must be logged in to post a review.
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