{"id":516,"date":"2025-08-07T10:17:56","date_gmt":"2025-08-07T10:17:56","guid":{"rendered":"https:\/\/awtawooltesting.swim.net.au\/?page_id=516"},"modified":"2025-12-04T02:02:12","modified_gmt":"2025-12-04T02:02:12","slug":"raw-wool-testing","status":"publish","type":"page","link":"https:\/\/awtawooltesting.com.au\/fr\/services\/raw-wool-testing\/","title":{"rendered":"Test de la laine brute"},"content":{"rendered":"
\n

Rendement et diam\u00e8tre des fibres<\/h2>\n\n\n\n

Le service cl\u00e9 d'AWTA Raw Wool est l'\u00e9chantillonnage ind\u00e9pendant, le test et la certification du rendement et du diam\u00e8tre des fibres de la laine grasse avant qu'elle ne soit vendue. Avant de mesurer le rendement et le diam\u00e8tre des fibres, il faut obtenir un \u00e9chantillon repr\u00e9sentatif. Un \u00e9chantillon est pr\u00e9lev\u00e9 sur chaque balle d'un lot de vente sous la supervision d'un responsable de l'\u00e9chantillonnage de l'AWTA. Le poids de la balle est enregistr\u00e9 au moment de l'\u00e9chantillonnage.<\/p>\n\n\n\n

Le rendement est la quantit\u00e9 de fibres propres, \u00e0 un taux d'humidit\u00e9 standard, que l'on s'attend \u00e0 obtenir lors du traitement d'une parcelle de laine brute. Le rendement peut \u00eatre exprim\u00e9 en masse propre en kilogrammes et en pourcentage de la masse de laine brute avant traitement.<\/p>\n\n\n\n

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En savoir plus : Rendement et diam\u00e8tre des fibres<\/a><\/div>\n<\/div>\n\n\n\n

Longueur et r\u00e9sistance des agrafes<\/h2>\n\n\n\n

L'une des caract\u00e9ristiques les plus importantes pour d\u00e9terminer la valeur de la laine grasse est la longueur moyenne des fibres qui sera obtenue lorsque la laine aura \u00e9t\u00e9 trait\u00e9e ou peign\u00e9e pour en faire une toupie. Cette longueur est connue sous le nom de Hauteur (longueur des fibres dans la toupie). En outre, la force moyenne des agrafes est importante pour \u00e9valuer la performance de la laine au cours du traitement. Des recherches ont montr\u00e9 que la hauteur est \u00e9troitement li\u00e9e \u00e0 la longueur et \u00e0 la r\u00e9sistance moyennes des agrafes de la laine grasse mesur\u00e9es avant le traitement.<\/p>\n\n\n\n

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En savoir plus : Longueur et r\u00e9sistance des agrafes<\/a><\/div>\n<\/div>\n\n\n\n

Couleur propre<\/h2>\n\n\n\n

Le jaunissement moyen est une caract\u00e9ristique importante de la laine car il est li\u00e9 \u00e0 la performance de la teinture et n'est pas n\u00e9cessairement li\u00e9 \u00e0 la couleur de la laine grasse. Des quantit\u00e9s consid\u00e9rables de laine sont class\u00e9es H1 (couleur l\u00e9g\u00e8re d\u00e9favorable), H2 (couleur moyenne d\u00e9favorable) ou H3 (couleur lourde d\u00e9favorable) sur la base d'une \u00e9valuation purement visuelle de la laine grasse et sont d\u00e9cot\u00e9es sur le march\u00e9.<\/p>\n\n\n\n

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En savoir plus : Couleur propre<\/a><\/div>\n<\/div>\n\n\n\n

Mesure du molleton<\/h2>\n\n\n\n

Les \u00e9leveurs de moutons et les producteurs de laine soumettent des \u00e9chantillons de laine polaire pr\u00e9lev\u00e9s sur des moutons individuels pour la mesure de routine du diam\u00e8tre de la fibre (micron) \u00e0 l'aide d'un instrument Laserscan. Cet instrument fournit d'autres donn\u00e9es en conjonction avec le r\u00e9sultat du diam\u00e8tre de la fibre, y compris le coefficient de variation du diam\u00e8tre (CVD), le facteur de confort et un r\u00e9sultat de mesure de la courbure de la fibre.<\/p>\n\n\n\n

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En savoir plus : Mesure de la laine polaire<\/a><\/div>\n<\/div>\n\n\n\n

R\u00e9sidus de pesticides<\/h2>\n\n\n\n
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Analyse qui identifie et quantifie le niveau r\u00e9siduel des produits chimiques de traitement des poux et des mouches dans la laine grasse, la laine semi-transform\u00e9e et la graisse de laine. La pr\u00e9sence de m\u00e9taux lourds tels que l'arsenic peut \u00e9galement \u00eatre d\u00e9termin\u00e9e.<\/p>\n\n\n\n

Les \u00e9chantillons de laine sont pr\u00e9par\u00e9s et m\u00e9lang\u00e9s dans l'un de nos laboratoires de laine brute, puis envoy\u00e9s pour analyse chimique \u00e0 la division Agrifood Technology de l'AWTA. Tous les produits chimiques pr\u00e9sents sont extraits de la laine selon un proc\u00e9d\u00e9 exclusif et leurs concentrations sont d\u00e9termin\u00e9es \u00e0 l'aide d'un \u00e9quipement de pointe.<\/p>\n\n\n\n

Les tests sont effectu\u00e9s conform\u00e9ment \u00e0 la m\u00e9thode DTM59-04 de l'Organisation internationale des textiles de laine.<\/p>\n\n\n\n

Nous cherchons \u00e9galement \u00e0 d\u00e9velopper des m\u00e9thodes pour d\u00e9terminer les niveaux r\u00e9siduels de pesticides dans des \u00e9chantillons individuels de toison.<\/p>\n\n\n\n

Les principaux groupes chimiques examin\u00e9s sont les organophosphates, les organochlor\u00e9s, les pyr\u00e9thro\u00efdes synth\u00e9tiques et certains r\u00e9gulateurs de croissance des insectes (Diflubenzuron, Triflumuron et Dicyclanil). La liste compl\u00e8te des produits chimiques signal\u00e9s figure ci-dessous :<\/p>\n\n\n\n

Organophosphates (OP)<\/mark><\/strong><\/td>Organochlor\u00e9s (OG)<\/mark><\/strong><\/td><\/tr>
Propetamphos       
Diazinon
Dichlofenthion
Chlorfenvinphos
Coumaphos
Fenchlorphos
Malathion<\/td>		Aldrin
Alpha BHC
B\u00eata BHC
Delta BHC
Gamma BHC (Lindane)
DDD
DDE
DDT
Dieldrine
Alpha Endosulfan
Beta Endosulphan
Sulfate d'endosulfan
Endrine
Heptachlore
HCB<\/td><\/tr>
Pyr\u00e9thrino\u00efdes synth\u00e9tiques (SP)<\/mark><\/strong><\/td><\/tr>
Cyperm\u00e9thrine
Cyhalothrine
Deltam\u00e9thrine
Fenvalerate
Flum\u00e9thrine<\/td><\/tr>
R\u00e9gulateurs de croissance des insectes (RCI)<\/mark><\/strong><\/td>Autres produits chimiques test\u00e9s sur demande (non standard)<\/mark><\/strong><\/td><\/tr>
Diflubenzuron
Triflumeron
Cyromazine
Dicyclanil
Spinosad<\/td>		Anthelminthique (AM) - Ivermectine
N\u00e9onicotino\u00efde (NI) - Imidaclopride
M\u00e9taux lourds - Arsenic \/ Mercure, etc.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n
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\"\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n
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En savoir plus : R\u00e9sidus de pesticides<\/a><\/div>\n<\/div>\n\n\n\n

Fibre sombre et m\u00e9dullaire<\/h2>\n\n\n\n

Le service d'analyse de la fibre noire propos\u00e9 par l'AWTA s'adresse aux producteurs de laine blanche qui tentent de g\u00e9rer la contamination par des races ovines exotiques ou qui souhaitent contr\u00f4ler la contamination de lots pr\u00e9sentant un risque \u00e9lev\u00e9 de contamination.<\/p>\n\n\n\n

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Lire la suite : Fibre sombre et m\u00e9dullaire<\/a><\/div>\n<\/div>\n\n\n\n

Sch\u00e9ma de risque pour les fibres noires et m\u00e9dull\u00e9es<\/h2>\n\n\n\n

La laine m\u00e9rinos australienne a joui d'une grande r\u00e9putation et d'un prix \u00e9lev\u00e9 pendant plus de cent ans parce qu'elle produisait des fanes de laine avec de faibles niveaux de contamination par les fibres sombres et m\u00e9dullaires. R\u00e9cemment, les transformateurs de laine australienne, aux stades initial et ult\u00e9rieur, ont constat\u00e9 une augmentation de la pr\u00e9sence de fibres sombres et m\u00e9dull\u00e9es dans les fanes de laine produites \u00e0 partir de la laine m\u00e9rinos australienne.<\/p>\n\n\n\n

L'International Wool Textile Organisation (IWTO), par l'interm\u00e9diaire de son affili\u00e9 australien, la Federation of Australian Wool Organisations (FAWO), a lanc\u00e9 un programme visant \u00e0 prot\u00e9ger la r\u00e9putation de la laine blanche m\u00e9rinos de premi\u00e8re qualit\u00e9 d'Australie en g\u00e9rant le risque de contamination par des fibres fonc\u00e9es et\/ou m\u00e9dull\u00e9es.<\/p>\n\n\n\n

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Lire la suite : Sch\u00e9ma de risque pour les fibres noires et m\u00e9dullaires<\/a><\/div>\n<\/div>\n\n\n\n

Laine \u00e9crue<\/h2>\n\n\n\n

Le d\u00e9creusage est le processus de pr\u00e9paration et de lavage d'un lot de laine brute de mouton afin d'\u00e9liminer les impuret\u00e9s telles que la graisse, la salet\u00e9 et le suint. AWTA Raw Wool est en mesure d'effectuer les tests certifi\u00e9s de la laine d\u00e9cap\u00e9e et carbonis\u00e9e pour la base de laine, la base de mati\u00e8re v\u00e9g\u00e9tale et le diam\u00e8tre moyen des fibres.<\/p>\n\n\n\n

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Lire la suite : Laine d\u00e9cap\u00e9e<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Rendement et diam\u00e8tre des fibres Le service cl\u00e9 d'AWTA Raw Wool est l'\u00e9chantillonnage ind\u00e9pendant, le test et la certification du rendement et du diam\u00e8tre des fibres de la laine grasse avant...<\/p>","protected":false},"author":1,"featured_media":0,"parent":39,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-516","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nRaw Wool Testing - AWTA Wool Testing<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/awtawooltesting.com.au\/fr\/services\/raw-wool-testing\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Raw Wool Testing - AWTA Wool Testing\" \/>\n<meta property=\"og:description\" content=\"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\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/awtawooltesting.com.au\/fr\/services\/raw-wool-testing\/\" \/>\n<meta property=\"og:site_name\" content=\"AWTA Wool Testing\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-04T02:02:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/awtawooltesting.com.au\/app\/uploads\/2025\/12\/AdobeStock_486047242-scaled.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1708\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/awtawooltesting.com.au\/it\/services\/raw-wool-testing\/\",\"url\":\"https:\/\/awtawooltesting.com.au\/it\/services\/raw-wool-testing\/\",\"name\":\"Raw Wool Testing - 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