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Research papers
by IWTO-19-85(E) Summary of the Trial Which Established The Equation For Calculating The Australian Carbonising Yield Fibre Diameter The Relationship between New Zealand Merino Fleece Measurement Produced at NZPAC Ltd & their Corresponding Core...
https://www.awtawooltesting.com.au/index.php/en/resources/research-papers -
FAQs
does AWTA retain core samples for check testing? Does AWTA have a test for chemical residues in wool? Can AWTA test other fibres? Wool Testing What are the main benefits of Staple Length & Strength Measurement? For Staple Measurements how is the...
https://www.awtawooltesting.com.au/index.php/en/about/faqs -
Effect of Snippet Length & Fibre Relaxation on the Mean Fibre Diameter, Fibre Diameter Distribution & Fibre Curvature
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/effect-of-snippet-length-fibre-relaxation-on-the-mean-fibre-diameter,-fibre-diameter-distribution-fibre-curvature -
Yield & Fibre Diameter
AWTA Raw Wool's key service is the independent sampling, testing and certifying of the Yield and Fibre Diameter of greasy wool before it is sold. Prior to the measurment of Yield and Fibre Diameter, a representative sample must be obtained. A core...
https://www.awtawooltesting.com.au/index.php/en/services/raw-wool-testing/yield-fibre-diameter -
Effect of Fibre Relaxation on The Mean Fibre Diameter & Fibre Diameter Distribution Measured by Laserscan & OFDA
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/effect-of-fibre-relaxation-on-the-mean-fibre-diameter-fibre-diameter-distribution-measured-by-laserscan-ofda -
Raw Wool Laboratory Equipment
The NextGen Laserscan The measurement of wool fibre diameter can be conducted through four distinct methods as delineated by the International Wool Textile Organisation (IWTO). AWTA Ltd employes the IWTO-12 Laserscan fibre diameter analyser method for...
https://www.awtawooltesting.com.au/index.php/en/services/equipment-manufacture/raw-wool-laboratory-equipment -
Dark & Medullated Fibre Risk Scheme
and price premium for more than one hundred years because it produced wool tops with low levels of dark and medullated fibre contamination. Recently, early and later stage processors of Australian wool have noticed increased occurrences of dark and...
https://www.awtawooltesting.com.au/index.php/en/services/raw-wool-testing/dark-medullated-fibre-risk-scheme -
The Effect of Between Fibre Coefficient of Variation on the Fibre Fineness Measured by Airflow
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/the-effect-of-between-fibre-coefficient-of-variation-on-the-fibre-fineness-measured-by-airflow -
Commercial Implications of the Coefficient of Variation of Fibre Diameter on Measuring Mean Fibre Diameter
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/commercial-implications-of-the-coefficient-of-variation-of-fibre-diameter-on-measuring-mean-fibre-diameter -
The Effect of Histogram Class Interval on the Calculation of Mean Fibre Curvature & Standard Deviation of Fibre Curvature
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/the-effect-of-histogram-class-interval-on-the-calculation-of-mean-fibre-curvature-standard-deviation-of-fibre-curvature -
Dark & Medullated Fibre
The Dark Fibre Testing service offered by AWTA is targeted at white-wool growers who are attempting to manage contamination from exotic sheep breeds, or who wish to monitor the contamination in lots carrying a high risk of contamination. Two...
https://www.awtawooltesting.com.au/index.php/en/services/raw-wool-testing/dark-medullated-fibre -
Implications of the CVD of Fibre Diameter on Measuring Mean Fibre Diameter
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers/implications-of-the-cvd-of-fibre-diameter-on-measuring-mean-fibre-diameter -
Update on Fibre Curvature Measurement
μm and 18.73 μm with associated curvature results of 80 and 69 0/mm respectively. While there has been no change in the fibre diameter measurement results for LASERSCAN or OFDA we have seen a shift in the uncertified curvature data. The curvature...
https://www.awtawooltesting.com.au/index.php/en/about/news/182-update-on-fibre-curvature-measurement -
Fibre Diameter Profile - May 2015
A comparison of the Australian wool clip fibre diameter profile for the season-to-date (July 2014 – May 2015) with the equivalent period last season shows some interesting changes. The volume of ultrafine wool 16.5 microns and finer has fallen by 19%...
https://www.awtawooltesting.com.au/index.php/en/about/news/103-fibre-diameter-profile-may-2015 -
Fleece Measurement
wool that are taken from individual sheep are submitted by sheep breeders and wool growers for the routine measurement of Fibre Diameter (micron) using a Laserscan instrument. This instrument provides other data in conjunction with the Fibre Diameter...
https://www.awtawooltesting.com.au/index.php/en/services/raw-wool-testing/fleece-measurement -
Electronic Services
to mills detailing their performance against key characteristics such as Hauteur, Romaine, Top & Noil Yield, and Core/Comb Fibre Diameter. Participation in TOPMARK is free. Simply contact us and agree to provide greasy wool and top test results on...
https://www.awtawooltesting.com.au/index.php/en/9-services/29-electronic-services -
Accreditation
performance to the International Wool Textile Organisation (IWTO) and through participation in interlaboratory trials for Fibre Diameter and Fibre Length in wool tops conducted by Interwoollabs. AWTA is: Licensed by International Wool Textile...
https://www.awtawooltesting.com.au/index.php/en/about/accreditation -
Fibre Diameter Report 2015 05
https://www.awtawooltesting.com.au/index.php/en/component/edocman/statistics/volume-and-trends/fibre-diameter-report/fibre-diameter-report-2015-05 -
What are the Limits to Wool Fibre Fineness Measurement
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/what-are-the-limits-to-wool-fibre-fineness-measurement -
Use of Variable Test Specimen Mass when Measuring Mean Fibre Diameter by Airflow
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/use-of-variable-test-specimen-mass-when-measuring-mean-fibre-diameter-by-airflow -
The Relationship Between Mean Fibre Diameter Measurements by Airflow & Laserscan for South African Wools
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/the-relationship-between-mean-fibre-diameter-measurements-by-airflow-laserscan-for-south-african-wools -
Relationships Between Mean Fibre Diameter Measurements by Airflow, OFDA & Laserscan for South African Wools from Different Breeds
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/relationships-between-mean-fibre-diameter-measurements-by-airflow,-ofda-laserscan-for-south-african-wools-from-different-breeds -
Fundamental Principles of Fibre Fineness Measurement - Airflow Instrument
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/fundamental-principles-of-fibre-fineness-measurement-airflow-instrument -
Effect of Fibre Medullation on Laserscan Diameter Measurement
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-diameter/effect-of-fibre-medullation-on-laserscan-diameter-measurement -
The Influence of Preparation Techniques on the Measurement of Fibre Curvature
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/the-influence-of-preparation-techniques-on-the-measurement-of-fibre-curvature -
Standardisation of Mean Fibre Curvature Using the Series 14 IH Calibration Top - Calibration Derived for Minicored Scoured-Wool
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/standardisation-of-mean-fibre-curvature-using-the-series-14-ih-calibration-top-calibration-derived-for-minicored-scoured-wool -
Standardisation of Mean Fibre Curvature Using the Series 14 Calibration Top as a Reference
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/standardisation-of-mean-fibre-curvature-using-the-series-14-calibration-top-as-a-reference -
Measuring Fibre Curvature - Key Issues
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/measuring-fibre-curvature-key-issues -
Fibre Curvature Morphometry & Measurement
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/fibre-curvature-morphometry-measurement -
Evaluation of Alternative Methods for Fibre Curvature Measurement on NZ Wools
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/evaluation-of-alternative-methods-for-fibre-curvature-measurement-on-nz-wools -
An Objective Technique for Measurement of Fibre Crimp Curvature - Part 1 - Metrology
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-fibre-curvature/an-objective-technique-for-measurement-of-fibre-crimp-curvature-part-1-metrology -
Wool Industry - Working Together to Future Proof Our Fibre
Five leading Australian wool industry groups are jointly working to develop a mechanism that sets the industry up for success into the future. Australian Council of Wool Exporters and Processors (ACWEP), Australian Wool Exchange (AWEX), Australian Wool...
https://www.awtawooltesting.com.au/index.php/en/about/news/289-wool-industry-working-together-to-future-proof-our-fibre -
IWTO Combined Certificates & OMLs
measurement ranges. Combination Calculations Fact sheets illustrating the procedures defined in IWTO-31 for combining Mean Fibre Diameter, CVD and Fibre Diameter Distributions are available for download. The IWTO-31 standard establishes the combination...
https://www.awtawooltesting.com.au/index.php/en/services/electronic-services/iwto-combined-certificates-omls -
Specialty Fibre Request 2018-19
https://www.awtawooltesting.com.au/index.php/en/resources/awta-forms/resources/awta-forms/ -
Fact Sheet - Adjustments to Fibre Curvature Measurement
https://www.awtawooltesting.com.au/index.php/en/resources/fact-sheets/resources/fact-sheets/fact-sheet-adjustments-to-fibre-curvature-measurement -
A Review of the Distribution of Fibre Length in Tops
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-sliver-top/a-review-of-the-distribution-of-fibre-length-in-tops -
Mathematical Combination of Measured Fibre Diameter Distribution Histograms for Greasy & Scoured Wool
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-formulae-calculations/mathematical-combination-of-measured-fibre-diameter-distribution-histograms-for-greasy-scoured-wool -
Mathematical Combination by Subtraction of Measured Fibre Diameter Distributions of Greasy & Scoured Wool
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-formulae-calculations/mathematical-combination-by-subtraction-of-measured-fibre-diameter-distributions-of-greasy-scoured-wool -
Specialty Fibre Test Request (Alpaca, Mohair, Angora, Cashmere)
https://www.awtawooltesting.com.au/index.php/en/component/edocman/services/specialty-fibre-test-request-alpaca,-mohair,-angora,-cashmere -
Fact Sheet - Fibre Curvature
https://www.awtawooltesting.com.au/index.php/en/resources/fact-sheets/resources/fact-sheets/fact-sheet-fibre-curvature -
OFDA4000 - A New Instrument for Simultaneous Measurement of Fibre Length & Diameter in Tops
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-sliver-top/ofda4000-a-new-instrument-for-simultaneous-measurement-of-fibre-length-diameter-in-tops -
Foundations & Metrology of the Almeter Wool Fibre Length Measurement
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-sliver-top/foundations-metrology-of-the-almeter-wool-fibre-length-measurement -
Update of Progress in Dark & Medullated Fibre Risk Project
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/update-of-progress-in-dark-medullated-fibre-risk-project -
The Precision of Dark & Medullated Fibre Testing of Noil
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/the-precision-of-dark-medullated-fibre-testing-of-noil -
Status Report on Dark & Medullated Fibre Testing of Presale Core Samples and Review of the Detection Threshold
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/status-report-on-dark-medullated-fibre-testing-of-presale-core-samples-and-review-of-the-detection-threshold -
Relationship Between Greasy & Processed Dark Fibre Contamination from DAMARA Crossbred Lambs in Merino Wool
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/relationship-between-greasy-processed-dark-fibre-contamination-from-damara-crossbred-lambs-in-merino-wool -
Preparation & Dark Fibre Contamination
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/preparation-dark-fibre-contamination -
Managing the Risk of Dark & or Medullated Fibre Contamination
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/managing-the-risk-of-dark-or-medullated-fibre-contamination -
Fibre Medullation, Marketing & Management
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/fibre-medullation,-marketing-management -
Detection of Pigmented & Medullated Fibre in Core Samples of Commercial Sale Lots from Merino Ewes Mated to Damara Fat Tail Rams
https://www.awtawooltesting.com.au/index.php/en/component/edocman/resources/research-papers-wool-contamination/detection-of-pigmented-medullated-fibre-in-core-samples-of-commercial-sale-lots-from-merino-ewes-mated-to-damara-fat-tail-rams