Specification Values mirror standard export contracts; buyer-unique tolerances are fastened within the SPA and verified at inspection. The number — 45, in this case — refers to the color rating measured in IU (International Units), which essentially quantifies how white and crystal clear the sugar is when dissolved in solution. https://johnnydrzjt.onesmablog.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-fiber-seal-northeast-84730493