| Certified Parameters | Predictive Application | Test Method(s) |
| Mean Fibre Diameter | Top Diameter | IWTO-28 |
| IWTO-12 | ||
| IWTO-47 | ||
| Wool Base | Schlumberger Dry Top & Noil Yield | IWTO-19 |
| Vegetable Matter Base | IWTO Clean Scoured Yield | |
| Japanese Clean Scoured Yield | ||
| Australian Carbonising Yield | ||
| Staple Length | TEAM Formulae for: | IWTO-30 |
| Staple Strength | • Hauteur | |
| Position of Break | • Coefficient of Variation of Hauteur | |
| • Romaine | ||
| Colour | Whiteness of Top | IWTO-56 |
| Brightness of Top |
Note 1: The TEAM formulae also include terms for Mean Fibre Diameter & Vegetable Matter base. A new TEAM formula arising out of the TEAM-3 Trial adds terms including Coefficient of Variation of Diameter and Coefficient of variation of Staple Length.
Note 2: Measurement of Colour in Greasy Wool has not achieved a significant level of adoption in Australia, in part due to the fact that Australian Merino Wool is renowned for its whiteness and brightness. However, some lines of wool, such as crutchings, skirtings and bellies are often significantly more coloured than fleece wools. There have also been seasons, when conditions have been wet and humid where significant discoloration of fleece wools has occurred. In New Zealand, where cross bred wool predominates, sale lots are routinely measured for Colour. Research has shown that there is a strong relationship between the clean colour of greasy wool and the clean colour of the resultant top.
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