Overview
Pipeline material granules are polymer-based raw materials, primarily polyethylene (PE) or polypropylene (PP), processed into granular form for pipe extrusion. These thermoplastic materials are engineered to meet specific mechanical and chemical requirements for fluid transport systems. In industrial contexts, these granules are classified by their density (HDPE, MDPE, LDPE) and additive packages that enhance properties like UV resistance or flexibility. The global market for pipe-grade polymers continues to grow with infrastructure development, valued at approximately $25 billion annually.
Physical and Chemical Properties
The performance characteristics of pipeline granules depend on their polymer base. High-density polyethylene (HDPE) grades typically exhibit tensile strength of 20-30 MPa and elongation at break exceeding 600%, making them suitable for pressure applications. Chemical resistance varies by formulation, with most PE grades resisting acids, alkalis, and solvents at ambient temperatures. Oxidation stability is achieved through antioxidant additives, crucial for long-term outdoor applications. UV-stabilized versions contain carbon black or specialized absorbers to prevent degradation from sunlight exposure.
Main Applications
Approximately 60% of pipeline granules are consumed by water distribution systems, including potable water networks and irrigation pipes. Gas distribution pipes require specially formulated PE100 or PE4710 grades with enhanced slow crack growth resistance. In industrial settings, these materials are extruded into chemical-resistant pipes for factories and mining operations. Recent innovations include multilayer pipes combining different polymer grades for optimized performance in trenchless installation techniques.
Safety and Storage
While polymer granules are generally stable at room temperature, proper storage prevents quality degradation. Bulk storage silos should maintain temperatures below 40°C with relative humidity under 50% to prevent moisture absorption. Processing safety requires attention to thermal decomposition products. When heated above 300°C during extrusion, PE may release volatile organic compounds (VOCs). Facilities must ensure adequate ventilation and install fume extraction systems near processing equipment.
B2B Procurement Guide
Industrial buyers should specify technical parameters including melt flow index (typically 0.1-1.0 g/10min for pipe grades), density (0.941-0.965 g/cm³ for HDPE), and hydrostatic design basis (HDB) ratings. Quality assurance should include certificates for ISO 4427 (water pipes) or ISO 4437 (gas pipes) compliance. For large projects, consider suppliers with compounder capabilities to customize additive packages. Bulk shipments typically require 20-30 day lead times for international orders.
Related Manufacturers
- 主营：螺旋榨汁机、破碎榨汁机、工业榨汁机、管道螺旋输送提升机、大型榨汁机、果蔬压榨机、水果去核机、工业打浆机、果蔬破碎机、果蔬清洗机、震动过滤机、去核打浆机、液压压榨机、水果打浆机、大型水果榨汁机、大型蔬菜榨汁机、大型果汁机、螺旋压榨机、大型螺旋压榨机、大型果汁榨汁机、螺旋挤压压榨机、大型果汁压榨机、工业果蔬压榨机、大型水果打浆机、工业渣浆分离机
- 主营：磁选机、永磁铁、除铁器、磁选设备、除铁设备、选矿设备、长方形吸铁石、铁铝分离设备、高效矿选设备、矿山电磁吸铁器、电磁除铁器、自卸式除铁器、电磁磁选机、平板磁选机、滚筒磁选机
- 主营：PVDF、PFA、FEP、PVDF彩色料、PTFE、PEEK、PEI、PSU、PCTFE、ECTFE、PES
- 主营：碳化硅修补剂、金属修补剂、钢质修补剂、耐磨陶瓷颗粒胶、铁质修补剂、铝质修补剂、铜质修补剂、轴承位修补剂、轴磨损修补剂、高温胶水、高温修补剂、皮带胶、快速橡胶修补剂、金属导电胶水、电泳导电修补剂、搪瓷修补剂、搪瓷反应釜修补剂、高温搪瓷釜修补剂、高温密封胶、铸钢修补剂、导轨修补剂、模具修补剂、高温环氧树脂胶水、PP胶水、PU胶水
- 主营：真空上料机、无尘投料站、吨包投料站、吨袋拆包机、振动筛
- 主营：仪器箱、吸收剂、灰色abs、填充料、塑料袋、料颗粒、塑料桶、塑料筐、塑料颗、塑料盒、注塑颗粒、塑料配件、环保颗粒、碳纤维、爽滑剂、农机具、树脂瓦、无纺布、聚乙烯、排水管、制作灯罩、抗静电剂、家具管材、电线电缆、家用电源
- 主营：EVA、PP、PC、管道系统B4500、PA6、PA66、POM聚甲醛、ABS、PPS、PE、PETG、PMMA、PBT
- 主营：PLA、PBAT、植物纤维改性PP、降解塑料、生物降解塑料、全降解塑料、PLA塑料、PBAT塑料、PP降解材料、ABS降解材料、PET降解材料、PP秸秆料、ABS秸秆料、PP改性料、ABS改性料、可降解塑料、植物纤维改性ABS、植物纤维改性PET、钛白粉
- 主营：再生HDPE颗粒、改性再生PE颗粒、PE再生料、聚乙烯pe管道颗粒、聚乙烯PE回料、高密度聚乙烯PE颗粒、pe再生颗粒、低压聚乙烯PE颗粒、吹塑HDPE再生颗粒、再生PE低压颗粒、中空PE再生料、HDPE再生颗粒、HDPE中空颗粒、吹膜HDPE再生料、塑木HDPE颗粒、再生pe低压颗粒、低压聚乙烯PE再生料、改性HDPE再生颗粒、HDPE再生塑料颗粒、HDPE再生料、HDPE回料、环保HDPE再生颗粒、防水卷材HDPE颗粒、聚乙烯HDPE、户外家具HDPE专用
- 主营：释放阀、散装机、气力输送系统、真空上料机、送粉机、仓泵、干灰散装机、干渣散装机、汽车散装机、螺旋气力输送泵、双轴加湿搅拌机、全自动吨袋拆包机、小袋拆包机、喷射泵
- 主营：聚乙烯、聚丙烯、透明薄膜、涂覆料、水管材料、塑胶颗粒、塑胶管道、餐盒用料、电缆屏蔽料、塑料管材原料、耐高温塑料瓶盖、吹膜级薄膜原料、冷热水管、农用薄膜、树脂塑胶、汽车配件、吹塑薄膜、包装容器、环保注塑胶、抗静电汽车、编织袋牛皮纸、通讯电缆护套、发泡薄膜塑胶、一次性纸杯餐盒、电话打印机外壳
- 主营：pe色母、pp色母、拉丝色母、塑料色母粒、吹膜色母、吹塑色母、注塑色母、颜色色母
- 主营：气流筛、高频筛、振动筛、无尘投料站、煤粉吨包投料站、无尘吨包投料站、真空上料机、真空加料机、真空吸料机、负压吸料机、过滤机、摇摆筛、直排筛、试验筛、细粉直线筛、多层旋振筛、粉末检验筛、酵母粉旋振筛、不锈钢直线筛、粉体吨包拆包机、吨袋拆包机、真空输送机
- 主营：耐磨陶瓷片胶、耐磨涂层、耐磨修补剂、碳化硅管道修补料、易刮涂小颗粒碳化硅、电厂脱硫管道籿胶修补、卡邦65背籿胶材料、电厂吸收塔浆液泵修复、碳化硅气动耐磨防护剂、水泥厂窑尾袋收尘防腐、脱水机橡胶带修补、风机叶轮防腐防积灰、泵叶轮修复节能涂层、耐磨防护剂、球磨机专用耐磨防护剂、可涂刷陶瓷防护剂、耐腐蚀涂层、轴磨损修复修、圆锥破籿粄填充胶背籿、高炉本体煤气治理堵漏、输送带接头粘接及修补产品
- 主营：POM、PC、PA66、高胶粉、ABS