Overview
PP modified plastic granules are polypropylene-based compounds enhanced with fillers, stabilizers, or elastomers to achieve tailored mechanical, thermal, or aesthetic properties. These granules are widely used in injection molding and extrusion processes due to their balance of cost and performance. Modifications may include glass fiber reinforcement for strength, mineral fillers for dimensional stability, or impact modifiers for toughness. The versatility of PP granules makes them a preferred choice for industries requiring lightweight, durable materials with resistance to chemicals and moisture.
Physical and Chemical Properties
Base polypropylene in these granules exhibits semi-crystalline structure, contributing to its rigidity and heat resistance. Modified grades may show altered properties: glass-filled variants can achieve tensile strengths exceeding 50 MPa, while UV-stabilized types resist degradation under sunlight. Chemical resistance remains a hallmark, with PP resisting acids, alkalis, and organic solvents. However, oxidative degradation can occur at high temperatures (>100°C) without proper stabilizers. Density variations depend on additives—talc-filled grades may reach 1.2 g/cm³, whereas pure PP floats on water.
Main Applications
Automotive components like bumpers and battery cases dominate demand, leveraging PP's impact resistance and weight savings. Packaging applications include rigid containers and thin-walled films, where food-grade modifications meet FDA standards. Consumer goods such as furniture and appliances utilize colored or textured granules for aesthetic appeal. Specialty grades with flame retardants (e.g., UL94 V-0) serve electrical enclosures. Emerging uses include 3D printing filaments and medical device housings where sterilization compatibility is critical.
Safety and Storage
PP granules pose minimal health risks under normal handling but require precautions during high-temperature processing. Adequate ventilation is necessary to avoid fume inhalation during melting (typically above 200°C). Storage should prevent moisture absorption, which can cause processing defects. Bulk bags or sealed containers are ideal, with recommended shelf life of 12 months in controlled environments. Fire hazards are low but require Class B extinguishers for molten resin fires.
B2B Procurement Guide
Buyers should specify technical parameters: melt flow rate (MFR, typically 10–50 g/10min for molding), filler percentage (e.g., 20% glass fiber), and regulatory compliance needs. Batch consistency is critical—request certificates of analysis (CoA) for key properties. Suppliers often provide custom compounding services; MOQs commonly start at 1 ton. Pricing fluctuates with petroleum feedstock costs and additive markets. For reference, flame-retardant grades may cost 20–30% more than standard variants. Logistics considerations include pellet form (stranded or spherical) for automated feeding systems.
Related Manufacturers
- 主营：pbt树脂、脱模pom、abs塑料、pps加纤、abs塑胶、pps玻纤、pp李长荣、透明abs、聚丙烯、阻燃abs、聚乙烯pe、工程塑料、耐水解psu、PC原料、LDPE原料
- 主营：汽车材料、耐高温塑料、透明原料、塑胶颗粒、改性pp塑料颗粒、高密度塑胶原料、弹性体塑料
- 主营：GF增强POM、工程料PPA、陶氏热熔胶、透明尼龙、增韧剂POM、耐磨 PTFE细粉、电绝缘TPV、PVDC阻隔乳液、杜邦超韧尼龙、杜邦PTFE乳液、无卤阻燃尼龙、注塑级POM、分散液PTFE、陶氏沙林树脂、抗UVPOM、EEA热熔胶、铁氟龙乳液、耐寒尼龙ST801、耐刮花PC、热塑性弹性体TPV、陶氏增韧剂、金属粘合剂、马来酸酐接枝、尼龙pa66、导电PC塑料
- 主营：PP改性、阻燃pc/abs、PPS玻纤增强
- 主营：abs塑料、杀菌纳米、特种工程塑料、abs塑胶料、塑料pp塑胶、改性阻燃增强塑料、降解薄膜塑料、生物降解材料、免喷涂塑料、镭雕塑料、防静电塑料
- 主营：PP、PPS、POM、塑胶原料、进口塑胶原料、PA66、PA6、PE、LDPE、LLDPE、PEEK、EVA、PA46、PC、ABS、PBT、PPA、PPO、工程塑料
- 主营：PLA、PBAT、降解塑料、PP改性料、ABS改性料、植物纤维改性PP、植物纤维改性ABS、植物纤维改性PET、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、可降解塑料、钛白粉
- 主营：PA66原料、无卤阻燃PA66、工程塑料、PA6改性料、改性塑料、改性尼龙、PEI改性料、阻燃PA66、特种塑料、PEEK原料、PPS原料、PA6原料、TPEE塑料、TPE、TPU、导电防静电塑料、PEEK板棒、PEI板棒、铁氟龙原料、3D打印耗材、PSU、PPSU、PES、PEEK粉末、导电塑料
- 主营：聚乙烯、聚丙烯、涂覆料、塑胶颗粒、树脂塑胶、塑胶管道、环保注塑胶、发泡薄膜塑胶、透明薄膜、水管材料、冷热水管、农用薄膜、餐盒用料、汽车配件、吹塑薄膜、包装容器、电缆屏蔽料、抗静电汽车、编织袋牛皮纸、通讯电缆护套、塑料管材原料、一次性纸杯餐盒、耐高温塑料瓶盖、电话打印机外壳、吹膜级薄膜原料
- 主营：TPE颗粒、ABS颗粒、PP颗粒、PC颗粒、PC/ABS合金材料
- 主营：聚丙烯PP、聚甲醛POM、聚碳酸酯PC、塑胶颗粒、ABS、PC/ABS、PA6、PA66、EVA、PCTG、PVDF、POE、工程塑料、TPU、中石化、台塑、旭化成、杜邦、宝理、韩国LG、PMMA、PA12、燕山石化
- 主营：防静电ABS、导电ABS、碳纤尼龙、pps导电、ppa碳纤、PA66 CF40、导电pvc、碳纤PPS、碳纤PC、lcp加纤、导电tpe、防静电PC、导电POM、导电tpu、pei导电、abs导电、防静电尼龙、导电尼龙、超导塑料、磁性塑料、PPS加纤、无人机桨叶塑料、铁粉ABS、增重塑料、导磁塑料
- 主营：乙酸镁、阻燃剂、热熔胶、塑料颗粒、聚合物、锂电池、光电极、泡泡糖、氯丁胶、碳酸镉、新癸酸、补差价、稀释剂、羟乙基、氧化铝、氧化铜、甲酸钾、c/c材料、碳酸锰、玻璃粉、硬光油、防腐剂、氧化铋、防水剂、聚丙烯、增粘树
- 主营：电线电缆颜料、调色化工原料、环保着色染料、原料调色配料、耐蚀环保染料、高分散粉体染料
- 主营：聚丙烯、汽车塑料、黑色聚丙、再生颗粒、改性聚丙、再生pp颗粒、聚丙烯颗粒、轮罩塑料、管件塑料、模合塑料、再生聚丙、保险杠塑料、暖风机塑料、检查井塑料、收集器塑料