{"id":361,"date":"2025-07-10T16:32:19","date_gmt":"2025-07-10T08:32:19","guid":{"rendered":"https:\/\/new.nblhplastic.com\/?p=361"},"modified":"2025-07-10T16:35:15","modified_gmt":"2025-07-10T08:35:15","slug":"factores-de-influencia-do-preco-do-poliestireno-ps-ningbo-chaohe-plastic","status":"publish","type":"post","link":"https:\/\/www.chaoheplastic.com\/pt\/arquivos\/361","title":{"rendered":"Factores de influ\u00eancia do pre\u00e7o do poliestireno (PS)--Ningbo Chaoho Plastic"},"content":{"rendered":"<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Os pre\u00e7os do poliestireno (PS) s\u00e3o afectados por uma combina\u00e7\u00e3o de factores, como se segue:<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Flutua\u00e7\u00f5es dos pre\u00e7os das mat\u00e9rias-primas<\/strong>::\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>pre\u00e7o do petr\u00f3leo bruto<\/strong>O petr\u00f3leo bruto \u00e9 a mat\u00e9ria-prima de base para a produ\u00e7\u00e3o de estireno, que por sua vez \u00e9 o mon\u00f3mero fundamental para a s\u00edntese do poliestireno. Por conseguinte, as varia\u00e7\u00f5es dos pre\u00e7os do petr\u00f3leo bruto t\u00eam um impacto significativo no pre\u00e7o do poliestireno. Quando o pre\u00e7o do petr\u00f3leo bruto sobe, o custo de produ\u00e7\u00e3o do estireno aumenta, o que, por sua vez, faz subir o pre\u00e7o do poliestireno. Por exemplo, quando a situa\u00e7\u00e3o internacional \u00e9 tensa e o fornecimento de petr\u00f3leo bruto \u00e9 inst\u00e1vel, o pre\u00e7o do petr\u00f3leo bruto aumenta acentuadamente, a press\u00e3o dos custos sobre os produtores de estireno aumenta acentuadamente e o pre\u00e7o de mercado do poliestireno tamb\u00e9m aumenta. Normalmente, por cada aumento de 10 d\u00f3lares\/barril nos pre\u00e7os do petr\u00f3leo, o custo do estireno aumenta em cerca de 400 RMB\/tonelada, o que \u00e9 diretamente transferido para o pre\u00e7o do PS.<\/li>\n<li><strong>Pre\u00e7os do estireno<\/strong>Como mat\u00e9ria-prima direta para a produ\u00e7\u00e3o de poliestireno, a flutua\u00e7\u00e3o do pre\u00e7o do estireno est\u00e1 altamente correlacionada com o pre\u00e7o do poliestireno. Durante 2024-2025, o mercado do estireno \u00e9 afetado por factores como a manuten\u00e7\u00e3o das instala\u00e7\u00f5es, a altera\u00e7\u00e3o do pre\u00e7o da mat\u00e9ria-prima benzeno puro e a expetativa da procura a jusante, etc., e a flutua\u00e7\u00e3o dos pre\u00e7os \u00e9 frequente. Por exemplo, no primeiro semestre de 2024, apoiado pelo benzeno puro, o pre\u00e7o do estireno sobe at\u00e9 ao intervalo de 8400 - 9800 RMB \/ tonelada; no segundo semestre de 2024, devido ao aumento da oferta de benzeno puro como mat\u00e9ria-prima e ao enfraquecimento das expectativas da procura a jusante, o centro de gravidade do pre\u00e7o do estireno desce. Estas altera\u00e7\u00f5es nos pre\u00e7os do estireno conduziram diretamente \u00e0 mesma flutua\u00e7\u00e3o dos pre\u00e7os do poliestireno.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Oferta e procura no mercado<\/strong>::\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Lado da oferta<\/strong>Se a capacidade dos produtores de poliestireno se expandir, ou se novos produtores entrarem no mercado, a oferta aumentar significativamente sem um aumento paralelo da procura, e o mercado ficar com excesso de oferta, isto pode levar a uma queda dos pre\u00e7os do poliestireno2024 . Os pre\u00e7os do poliestireno de uso geral (GPPS) continuaram a descer em julho e, na terceira semana de julho, situavam-se em 1 810 d\u00f3lares por tonelada m\u00e9trica (numa base FD - Hamburgo), menos 2,41 TP3T do que na semana anterior e 4,81 TP3T em geral desde o in\u00edcio do m\u00eas. Inversamente, quando algumas unidades de produ\u00e7\u00e3o s\u00e3o encerradas devido a avarias, manuten\u00e7\u00e3o ou factores de for\u00e7a maior, levando a uma redu\u00e7\u00e3o da oferta, uma situa\u00e7\u00e3o de excesso de oferta pode fazer subir os pre\u00e7os do poliestireno se a procura se mantiver est\u00e1vel ou aumentar.<\/li>\n<li><strong>Lado da procura<\/strong>O poliestireno \u00e9 amplamente utilizado em muitas ind\u00fastrias, como a das embalagens, da eletr\u00f3nica e dos aparelhos el\u00e9ctricos, da constru\u00e7\u00e3o e dos brinquedos. Quando estas ind\u00fastrias a jusante se desenvolvem bem e a procura de poliestireno \u00e9 forte, o seu pre\u00e7o aumenta. Na ind\u00fastria el\u00e9ctrica e eletr\u00f3nica, com a substitui\u00e7\u00e3o acelerada de electrodom\u00e9sticos e o aparecimento de novos produtos electr\u00f3nicos, a procura de poliestireno continua a crescer, o que, por sua vez, sustenta o pre\u00e7o do poliestireno. Pelo contr\u00e1rio, se a recess\u00e3o do mercado na ind\u00fastria a jusante reduzir a procura, como a diminui\u00e7\u00e3o da procura de poliestireno nas principais ind\u00fastrias a jusante, como a produ\u00e7\u00e3o autom\u00f3vel de ve\u00edculos el\u00e9ctricos e a ind\u00fastria da constru\u00e7\u00e3o em 2024, isso exercer\u00e1 uma press\u00e3o descendente sobre o pre\u00e7o do poliestireno.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ambiente macroecon\u00f3mico<\/strong>::\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>hist\u00f3ria de crescimento econ\u00f3mico<\/strong>Em tempos de prosperidade econ\u00f3mica, as actividades de produ\u00e7\u00e3o em v\u00e1rias ind\u00fastrias s\u00e3o activas, aumentando a procura de poliestireno e fazendo subir os pre\u00e7os. Por exemplo, quando a taxa de crescimento do PIB de um pa\u00eds ou regi\u00e3o \u00e9 elevada, a expans\u00e3o da constru\u00e7\u00e3o, da ind\u00fastria transformadora e de outras ind\u00fastrias, a procura de produtos de poliestireno, tais como materiais de embalagem, materiais de isolamento para constru\u00e7\u00e3o (por exemplo, poliestireno expans\u00edvel EPS utilizado para isolamento de edif\u00edcios), etc., aumenta consideravelmente, fazendo subir o pre\u00e7o do poliestireno. No entanto, numa fase de recess\u00e3o ou abrandamento econ\u00f3mico, o investimento das empresas e a disponibilidade dos residentes para consumir diminuem, a procura de poliestireno nas ind\u00fastrias a jusante diminui e o pre\u00e7o tende a baixar.<\/li>\n<li><strong>Infla\u00e7\u00e3o e taxas de juro<\/strong>A infla\u00e7\u00e3o pode levar ao aumento dos custos de produ\u00e7\u00e3o, incluindo o custo das mat\u00e9rias-primas, da m\u00e3o de obra, dos transportes, etc., o que pode fazer subir o pre\u00e7o do poliestireno. As altera\u00e7\u00f5es das taxas de juro tamb\u00e9m afectar\u00e3o o pre\u00e7o do poliestireno, as taxas de juro mais elevadas aumentar\u00e3o o custo do financiamento das empresas, inibir\u00e3o o investimento e o consumo, reduzir\u00e3o a procura de poliestireno, de modo que o pre\u00e7o baixou; pelo contr\u00e1rio, taxas de juro mais baixas para estimular o crescimento econ\u00f3mico, aumentar a procura, a favor do aumento do pre\u00e7o do poliestireno.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Pol\u00edticas e regulamentos<\/strong>::\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>pol\u00edtica ambiental<\/strong>A Comiss\u00e3o Europeia tem uma posi\u00e7\u00e3o muito clara: as pol\u00edticas de prote\u00e7\u00e3o ambiental cada vez mais rigorosas impuseram requisitos mais elevados aos produtores de poliestireno. As empresas t\u00eam de investir mais fundos na constru\u00e7\u00e3o e funcionamento de instala\u00e7\u00f5es de prote\u00e7\u00e3o ambiental para cumprir as normas ambientais, como as emiss\u00f5es poluentes, o que aumenta os custos de produ\u00e7\u00e3o, o que, por sua vez, pode fazer subir o pre\u00e7o do poliestireno. Em algumas regi\u00f5es, devido a requisitos ambientais, a emiss\u00e3o de compostos org\u00e2nicos vol\u00e1teis (COV) no processo de produ\u00e7\u00e3o de poliestireno \u00e9 rigorosamente controlada, e algumas pequenas e m\u00e9dias empresas com capacidade de produ\u00e7\u00e3o n\u00e3o conseguem cumprir as normas e reduzem a produ\u00e7\u00e3o ou encerram a produ\u00e7\u00e3o, o que reduz a oferta no mercado e pode tamb\u00e9m contribuir para o aumento dos pre\u00e7os.<\/li>\n<li><strong>Pol\u00edtica de importa\u00e7\u00e3o e exporta\u00e7\u00e3o<\/strong>Pol\u00edticas como os direitos de importa\u00e7\u00e3o e de exporta\u00e7\u00e3o e os contingentes comerciais afectam a estrutura do com\u00e9rcio internacional de poliestireno, o que, por sua vez, afecta os pre\u00e7os. Se um pa\u00eds aumentar os direitos de importa\u00e7\u00e3o sobre o poliestireno, aumentar\u00e1 o custo das importa\u00e7\u00f5es, reduzir\u00e1 o volume das importa\u00e7\u00f5es e reduzir\u00e1 a oferta no mercado interno, fazendo subir os pre\u00e7os. Inversamente, uma redu\u00e7\u00e3o dos direitos aduaneiros ou um aumento das quotas de importa\u00e7\u00e3o conduzir\u00e1 a um aumento das importa\u00e7\u00f5es, a uma maior concorr\u00eancia no mercado e a uma poss\u00edvel diminui\u00e7\u00e3o dos pre\u00e7os.<\/li>\n<\/ul>\n<\/li>\n<li><strong>concorr\u00eancia entre substitutos<\/strong>O poliestireno pode ser substitu\u00eddo por materiais pl\u00e1sticos como o polipropileno (PP) e o polietileno (PE) em algumas aplica\u00e7\u00f5es. Quando o pre\u00e7o dos substitutos desce e o seu desempenho satisfaz os requisitos de utiliza\u00e7\u00e3o, as empresas a jusante podem escolher substitutos e reduzir a procura de poliestireno, o que resulta numa descida do pre\u00e7o do poliestireno. No sector das embalagens, se o pre\u00e7o do polipropileno diminuir, algumas empresas que inicialmente utilizavam embalagens de poliestireno podem passar a utilizar embalagens de polipropileno, o que resultar\u00e1 numa diminui\u00e7\u00e3o da quota de mercado do poliestireno neste sector e numa conten\u00e7\u00e3o dos pre\u00e7os. Inversamente, se o pre\u00e7o das alternativas aumentar, a competitividade do poliestireno aumentar\u00e1 e o pre\u00e7o poder\u00e1 subir.<\/li>\n<li><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Os pre\u00e7os do poliestireno (PS) s\u00e3o afectados por uma combina\u00e7\u00e3o de factores, a saber: Flutua\u00e7\u00f5es no pre\u00e7o das mat\u00e9rias-primas: Pre\u00e7os do petr\u00f3leo bruto: O petr\u00f3leo bruto \u00e9 um componente-chave na produ\u00e7\u00e3o de [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[65,63,54],"class_list":["post-361","post","type-post","status-publish","format-standard","hentry","category-company-news","tag-65","tag-63","tag-54"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u805a\u82ef\u4e59\u70ef\uff08PS\uff09\u4ef7\u683c\u5f71\u54cd\u56e0\u7d20\u2014\u2014\u5b81\u6ce2\u8d85\u5408\u5851\u6599 - 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