conversion from nar to arb
Aug 01, 2011· Some countries use ADB basis to measure coal calories, China use NAR, and the other use GAR. ... As a Seller or a Buyer, there is no definite advantage or difference between these measurements. They all are measuring the same coal - and there are formulas to convert between them. ... ADB to GAR. GCV (ARB) = GCV (ADB) X (100-TM)/(100-IM) e.g.