{"id":6545,"date":"2021-11-06T16:19:19","date_gmt":"2021-11-06T08:19:19","guid":{"rendered":"https:\/\/www.packingcosmetic.com\/?p=6545"},"modified":"2022-05-25T16:20:46","modified_gmt":"2022-05-25T08:20:46","slug":"quelles-sont-les-conditions-de-moulage-par-injection-pour-les-flacons-de-lotion-cosmetique-pour-animaux-de-compagnie","status":"publish","type":"post","link":"https:\/\/www.packingcosmetic.com\/fr\/quelles-sont-les-conditions-de-moulage-par-injection-pour-les-flacons-de-lotion-cosmetique-pour-animaux-de-compagnie\/","title":{"rendered":"Quelles sont les conditions de moulage par injection des flacons de lotion cosm\u00e9tique en PET ?"},"content":{"rendered":"

Quelles sont les conditions de moulage par injection des flacons de lotion cosm\u00e9tique en PET ?<\/strong><\/p>\n

1\u3001Temp\u00e9rature du tonneau. La plage de temp\u00e9rature de moulage du PET est \u00e9troite et la temp\u00e9rature affecte directement les performances du produit. Si la temp\u00e9rature est trop basse, la participation n'est pas bonne, ce qui entra\u00eene des d\u00e9fauts tels que la d\u00e9pression et le manque de mati\u00e8re dans les pi\u00e8ces en plastique ; \u00e0 l'inverse, si la temp\u00e9rature est trop \u00e9lev\u00e9e, elle entra\u00eenera un d\u00e9bordement des bords, un \u00e9coulement de la bouche de la buse, un assombrissement de la couleur, une r\u00e9duction de la r\u00e9sistance m\u00e9canique et m\u00eame une d\u00e9gradation. La temp\u00e9rature g\u00e9n\u00e9rale du cylindre est contr\u00f4l\u00e9e \u00e0 240~280\u2103, et la temp\u00e9rature du cylindre de PET renforc\u00e9 de fibres de verre est de 250~290\u2103, pas plus de 300\u2103. La temp\u00e9rature de la buse est g\u00e9n\u00e9ralement 10~20\u2103 plus basse que la temp\u00e9rature du cylindre.<\/p>\n

\"\"<\/p>\n

2\u3001Temp\u00e9rature du moule. La temp\u00e9rature du moule affecte directement la vitesse de refroidissement et la cristallinit\u00e9 de la mati\u00e8re fondue. Des cristaux diff\u00e9rents signifient des performances diff\u00e9rentes pour les pi\u00e8ces en plastique. La temp\u00e9rature g\u00e9n\u00e9rale du moule est comprise entre 100 et 140 \u2103. Pour le moulage de pi\u00e8ces en plastique \u00e0 parois fines, la valeur peut \u00eatre faible ; pour le moulage de pi\u00e8ces en plastique \u00e0 parois \u00e9paisses, la valeur peut \u00eatre \u00e9lev\u00e9e.<\/p>\n

3. Pression d'injection. La fluidit\u00e9 de la mati\u00e8re fondue PET est bonne et facile \u00e0 mouler. On utilise g\u00e9n\u00e9ralement une pression moyenne, de 80 \u00e0 140 MPa. La pression d'injection du PET renforc\u00e9 de fibres de verre est de 90~150MPa. La d\u00e9termination de la pression d'injection doit tenir compte de la viscosit\u00e9, du type et de la quantit\u00e9 de PET.<\/p>","protected":false},"excerpt":{"rendered":"

What are the injection molding conditions for PET cosmetic lotion bottles? 1\u3001Barrel temperature. PET’s molding temperature range is narrow, and the temperature will directly affect the performance of the product. If the temperature is too low, the participation is not good, resulting in defects such as depression and lack of material in the plastic parts; … Lire plus<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6545","post","type-post","status-publish","format-standard","hentry","category-cosmetic-packaging"],"acf":[],"yoast_head":"\nWhat are the injection molding conditions for PET cosmetic lotion bottles? - YBJ Cosmetic Packaging Manufacturer<\/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:\/\/www.packingcosmetic.com\/fr\/quelles-sont-les-conditions-de-moulage-par-injection-pour-les-flacons-de-lotion-cosmetique-pour-animaux-de-compagnie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the injection molding conditions for PET cosmetic lotion bottles? - YBJ Cosmetic Packaging Manufacturer\" \/>\n<meta property=\"og:description\" content=\"What are the injection molding conditions for PET cosmetic lotion bottles? 1\u3001Barrel temperature. 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