Perhaps the most comparable product around is a type of simulated granite, or quartz with resins, that can indeed approach or meet the price of granite at around $35.00 to $80.00 per square foot, depending on color chosen.
Definition of primary standard. 1) A substance of a known high degree of purity that undergoes one invariable reaction with the other reactant of interest.
A primary standard in metrology is a standard that is sufficiently accurate such that it is not calibrated by or subordinate to other standards. Primary standards are defined via other quantities like length, mass and time. Primary standards are used to calibrate other standards referred to as working standards. See Hierarchy of Standards.