Overview
Plastic granules for tableware boxes are engineered polymers specifically formulated for food-contact applications. These materials are predominantly polypropylene (PP) or polystyrene (PS), selected for their balance of rigidity, clarity, and compliance with international food safety regulations. Manufacturers process these granules through injection molding to produce lightweight, stackable, and microwave-safe containers. Global demand is driven by the food packaging sector, with Asia being a major production hub. The granules often incorporate additives like UV stabilizers or anti-static agents to enhance performance. B2B buyers should prioritize suppliers with ISO 9001 and food-safety certifications to ensure consistent quality.
Physical and Chemical Properties
PP-based granules exhibit excellent chemical resistance to oils and acids, making them ideal for long-term food storage. Their melting point (160°C) allows steam sterilization, while density (~0.91 g/cm³) ensures lightweight end products. PS variants offer superior transparency but lower heat tolerance. Key tests for quality control include melt flow index (MFI) analysis (typically 10–30 g/10min for PP) and migration testing to confirm compliance with food-contact standards. Thermal stability is critical to prevent deformation during dishwasher use or microwave reheating.
Main Applications
The primary use is manufacturing compartmentalized meal prep containers, lunch boxes, and modular kitchen storage systems. PP granules dominate the market for reusable products due to their durability, while PS is preferred for disposable bento boxes in commercial catering. Specialty applications include anti-bacterial variants with silver ion additives for healthcare meal trays and colored granules for brand-customized hotelware. Emerging biopolymer alternatives (e.g., PLA blends) cater to eco-conscious buyers but currently represent a niche segment.
Safety and Storage
Food-grade compliance requires documentation of non-toxic stabilizers and absence of heavy metals (per FDA 21 CFR or EU Regulation 10/2011). Suppliers must provide material safety data sheets (MSDS) and migration test reports. Granules should be stored in moisture-proof packaging (<50% RH) to prevent clumping. Bulk shipments require palletization with UV-protective wrapping to avoid polymer degradation. Shelf life is typically 12–24 months under proper conditions.
B2B Procurement Guide
When sourcing, specify required certifications (e.g., LFGB, NSF), MFI range matching your molding equipment, and color consistency parameters (Delta E <1.5). MOQs for standard grades start at 1 metric ton, with lead times of 2–4 weeks for customized formulations. Cost-saving strategies include purchasing masterbatches separately for color mixing or opting for regrind-compatible grades. Top production regions include Guangdong (China), Maharashtra (India), and Rhineland (Germany). Always audit suppliers for traceability systems and batch testing protocols.
Related Manufacturers
- 主营：POM杜邦500P、POM低声无噪音、PC高冲击、POM餐具盒塑料颗粒、PET杜邦FR515、ABS电镀级、ABS高流动PA-765A、塑胶原料、PC沙伯基础创新、PC耐寒、PC耐油、PCABS阻燃无卤V0、PPS日本宝理1140A6、PC科思创拜耳FR6002、PCABS科思创FR2000、PPS日本宝理1140L4、PPS日本宝理1140A1、PPS菲利普R-4-200NA
- 主营：tpu德国、阻燃abs、高透明pp、758塑料、pa66塑料、尼龙塑料、塑料颗粒、紫外线pc、聚碳酸酯、阻燃尼龙、abs再生料、抗紫外线、黑色防火、增强尼龙、透明pc塑胶、阻燃pc塑胶、食品pp塑胶、纯树脂尼龙
- 主营：蓝色色粉、棕色色粉、绿色色粉、塑料色粉、红色色粉、黄色色粉、红色无机色粉、相容剂、3D打印耗材、色母粒
- 主营：tpr材料、tpr原料、tpe阻燃、tpe原料、阻燃tpe材料、tpe绝缘材料
- 主营：可降解塑料、阻燃pc/abs、PPS玻纤增强
- 主营：淀粉叉子、玉米淀粉、一次性杯子、酒店餐具、三格餐盒、环保餐具、外贸餐具、厨房餐具、水晶餐具、降解餐具、一次性餐具、四件套餐具、淀粉五格餐盒、四格五格餐盒、酒店免洗餐具、环保打包饭盒、景润稻壳餐具、环诺稻壳餐具、鑫科稻壳餐具、餐具包装机、一次性餐具包装机、一次性玉米、淀粉环保碟
- 主营：玻璃矿物、POM塑胶原料、PA66塑胶原料、PA9T工程塑料、PBT工程塑料、PC塑料、PVA降解塑料、LCP塑胶原料、PA12塑胶原料、PA6塑胶原料、ABS塑胶原料、PC/ABS塑胶原料、PPO塑胶原料、PMMA亚克力、沙林料、TPU弹性体、TPEE塑胶原料
- 主营：PA66、TPU、ABS、PC、POM、PP、PA6、PET、PA12、POE、HDPE、LLDPE、EVA、PCTG、PA46、PVC、PPS、PPO、AS、HIPS、PMMA、PC-ABS、PETG、ASA、MDPE
- 主营：聚丙烯、聚乙烯、透明gpps、塑料颗粒、聚碳酸酯、冷水管料、ABS、PA66、POM、PMMA、LDPE、TPU、PVC
- 主营：聚乙烯、密封条、食品包装、工程塑料、通用塑料、橡胶塑料、管件袋子、照明灯具、电子电器、套管垫片、电线电缆、电子电气、电视外壳、电器用具、运动器材、食品级pctg、抗静电hips、聚丙烯粉料、电动照明工具、家具塑胶原料、家庭日用品电气
- 主营：聚甲醛POM均聚物、杜邦尼龙66、马来酸酐接枝PP、尼龙66颗粒、TPX塑料、增强塑料、陶氏聚合物改性剂、PTFE微粉、聚四氟乙烯乳液、汽车密封条TPV、ptw增韧剂、塞拉尼斯TPV、东岳 ETFE、马来酸酐接枝、增强POM、PVDC水性分散体、PPS喷涂粉、耐高温PA12粉、改性PEEK粉末、矿物增强PA66、增韧剂PTW、PEI粉末、PPS塑胶原料、粘合剂
- 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：粘接剂、树脂粉、abs韩国、长纤塑料、塑料颗粒、韩国lg塑料、灰黑色塑料、防静电塑料、pvc塑胶、纯圆棒、pok韩国、asa韩国、加铁氟龙、ppa长碳纤、abs合金料、纤导电pom、pa6长碳纤、紫外线pok、分子pe粉末、加石墨填充、食品级树脂、导电防静电、酰亚胺棒材、聚酰亚胺树脂、抗紫外线塑胶
- 主营：PLA、PBAT、PP降解材料、降解塑料、生物降解塑料、全降解塑料、PLA塑料、PBAT塑料、可降解塑料、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、植物纤维改性PP、植物纤维改性ABS、植物纤维改性PET、钛白粉
- 主营：pa66rel42、ppm1400lg、pcad-5503、pa12azm30、pa6b3eg10、abspa-747、赛钢pom、pomm90-48、pomm90-44、pomm90-45、ppdj-560s、pcl-1250y、pcl-1250z、高耐热、导光板、s797seasa、pppc366-4、pprp348nk、pa6荷兰、tpu9650du、pa6680g25、lcpe5006l、pa673g15l、pa66rcl26、ppsnt7790