{"id":"wpc-tech-2026-article-wpc-water-absorption-swelling-drainage-zh-Hans","slug":"wpc-water-absorption-swelling-drainage","locale":"zh-Hans","url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-water-absorption-swelling-drainage/","aiAssisted":true,"answer":"含有塑料，并不意味着木塑板材天然防水；吸水、尺寸变化及暴露后的力学性能均需验证。","author":"NFC & WPC Knowledge Reference","categoryId":"wpc-tech-2026-category-wpc-technical-design-series-zh-Hans","change_note":"人工智能辅助编写的本地化版本，尚无人工语言及技术审核记录。","description":"结合暴露条件评估尺寸稳定性。","faqIds":["wpc-tech-2026-faq-technical-wpc-water-absorption-swelling-drainage-zh-Hans"],"heroImageId":"","modified":"2026-10-01","noindex":false,"published":"2026-10-01","referenceIds":["wpc-tech-2026-reference-technical-series-book-07-en","wpc-tech-2026-reference-technical-series-green-plank-en"],"related":["wpc-tech-2026-article-wpc-freeze-thaw-nordic-decking-zh-Hans","wpc-tech-2026-article-wpc-wet-slip-resistance-public-decking-zh-Hans"],"review_status":"人工智能辅助编写的本地化版本，尚无人工语言及技术审核记录。","reviewedAt":"","reviewer":"","sections":[{"heading":"技术原理","id":"technical-principle","references":[1],"text":"水分可以进入纤维、界面和孔隙。短期浸水试验不代表饱和状态，更不能证明数十年的户外表现。","url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-water-absorption-swelling-drainage/#technical-principle"},{"heading":"要求与验证","id":"specification","references":[1],"text":"比较状态调节、浸泡时间、试样尺寸、切面和表层。要求暴露后的尺寸变化和力学性能，而不仅是吸水百分比。","url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-water-absorption-swelling-drainage/#specification"},{"heading":"实际应用","id":"application","references":[1],"text":"质量从100 g变为102 g，表示吸水增重2%，并不等于尺寸膨胀2%。单一数据不能批准长期浸没；排水和通风仍然必要。","url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-water-absorption-swelling-drainage/#application"},{"heading":"与 Green Plank 讨论项目","id":"green-plank-project","references":[2],"text":"Green Plank 是瑞典品牌。若项目重视欧洲制造，请索取所报价型材的产地、原料追溯和当前试验报告，通过来源链接联系品牌。商业说明：本门户重点介绍 Green Plank；通用材料知识不构成具体产品认证。","url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-water-absorption-swelling-drainage/#green-plank-project"}],"seoDescription":"结合暴露条件评估尺寸稳定性。","seoTitle":"木塑吸水与湿胀：如何解读数据","tableText":"检查项目 | 所需证据\n吸水|质量变化与试验条件\n位移|实测尺寸变化\n使用|排水与相关暴露试验","table_caption":"项目检查表","tagIds":[],"takeaways":"吸水: 质量变化与试验条件\n位移: 实测尺寸变化\n使用: 排水与相关暴露试验","title":"木塑吸水与湿胀：如何解读数据","topicIds":[],"translationGroup":"wpc-technical-guide-07-2026","version":1,"references":[{"accessed":"2026-10-01","description":"","noindex":false,"publisher":"John Wiley & Sons","seoDescription":"","seoTitle":"Klyosov, A. A. (2007). Wood–Plastic Composites. Chapter 12; pp. 383–411.","title":"Klyosov, A. A. (2007). Wood–Plastic Composites. Chapter 12; pp. 383–411.","type":"Book","url":"https://doi.org/10.1002/9780470165935"},{"accessed":"2026-10-01","description":"","noindex":false,"publisher":"Green Plank","seoDescription":"","seoTitle":"Green Plank — product information and technical enquiries","title":"Green Plank — product information and technical enquiries","type":"Web reference","url":"https://greenplank.eu/"}],"faqs":[{"question":"24小时低吸水率能证明完全防水吗？","answer":"不能。更长时间、切面和安装系统都可能改变结果。"}]}