The preceding recommendations should meet the minimum requirements for themajority of commercial threads. The buyer and supplier always have the option to negotiate otherspecifications. Commercial - Accelerated. Test Conditions IIIA IIA IA IIIA IIIA Min. This is a comparative rating system.
Higher numbers represent better colorfastness performance.
Since the conditions of use, washing,cleaning, pressing, etc., vary considerably in the use of thread, purchasers should assurethemselves by preliminary test that the dye fastness of the thread is suitable for the intended use.