Overview
Modified wheat straw material is a sustainable alternative to synthetic composites, produced by treating wheat straw—a byproduct of agriculture—with binders or chemical agents to enhance its properties. It addresses waste management challenges while offering functional benefits comparable to plastics or wood-based materials in specific applications. The modification process typically involves pulverization, chemical treatment (e.g., alkali or silane coupling), and compression molding. The result is a material that balances cost, performance, and environmental impact, making it popular in industries prioritizing circular economy principles.
Physical and Chemical Properties
The material exhibits a density range of 0.8-1.2 g/cm³, making it lighter than many traditional construction materials like MDF or particleboard. Its mechanical strength is sufficient for non-load-bearing applications, with tensile strength ranging from 10-30 MPa depending on the binder used. Chemically, modified wheat straw resists water absorption better than untreated straw due to hydrophobic additives. However, prolonged exposure to humidity may cause swelling. It is stable at temperatures up to 120°C but begins decomposing at higher temperatures, releasing negligible volatile organic compounds (VOCs).
Main Applications
In construction, it serves as insulation panels or lightweight partition walls due to its thermal and acoustic properties. The packaging industry utilizes it for molded trays and cushioning materials as a biodegradable substitute for Styrofoam. Furniture manufacturers use it for eco-friendly tabletops or decorative elements, often combined with resins for enhanced durability. Emerging applications include 3D printing filaments and automotive interior panels, where sustainability is a key design criterion.
Safety and Storage
While non-toxic, processing the material may generate fine dust requiring N95 masks and proper ventilation. Storage should prioritize dryness—moisture above 12% can promote microbial growth. Bulk stacks must allow airflow to prevent heat buildup. Fire safety is comparable to wood; additives like ammonium phosphate are sometimes incorporated to improve flame retardancy. Disposal is straightforward via composting or incineration, though industrial composting facilities are recommended for rapid degradation.
B2B Procurement Guide
Buyers should request technical datasheets detailing the modification method (e.g., esterification, acetylation) and binder type (e.g., PLA, urea-formaldehyde). Certifications like OK Compost or ASTM D6400 validate compostability claims. Pricing is volume-sensitive; orders exceeding 10 tons often qualify for 10-15% discounts. Regional suppliers in agricultural zones (e.g., North China Plain) may offer logistical advantages. For consistent quality, insist on batch testing reports for density uniformity and mechanical properties.
Related Manufacturers
- 主营：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PP、植物纤维改性ABS、植物纤维改性PET、PLA、PBAT、钛白粉
- 主营：丁腈、HDPE、LLDPE、麦秸秆、LDPE、MLLDPE、ABS、TPU、PP
- 主营：乙酸镁、阻燃剂、热熔胶、c/c材料、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、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：PP原料
- 主营：冷补沥青、聚合物砂浆、伸缩缝修复砂浆、冷补料、沥青冷补料、改性沥青冷补料、水泥路面修补料、路面修补料、混凝土路面修补料、高强混凝土修补料、快速修补料、机场跑道修补料、薄层修补料、桥梁伸缩缝修补料、超早强砂浆、高延性混凝土、立顶侧面修补砂浆
- 主营：PA66、POM、PA6、PA66胶料、TPU
- 主营：POM、PVDF、PA66、PC材料、PC ABS材料、PA6材料、PPS、PBT、Pom500p、Pom100p、Pom900p、F20-03、M90-44、Ppsu、PPA、POE、PA9T、日本旭化成pom、日本宝理pom、德国巴斯夫pa66、美国杜邦pom、共聚甲醛赛钢、PCTG、ABS
- 主营：透红外abs、耐候ASA、玻纤增强尼龙、改性塑料、改性pp、改性abs、塑料原材料、原料abs、pp原料、pa塑料颗粒、abs塑料、免喷涂塑料、玻纤阻燃pbt、阻燃pcabs、阻燃pcasa、阻燃abs、增韧尼龙、滑石粉pp、矿物填充pp、抗静电abs、玻纤pp、高光pp、pmma、玻纤增强pa、玻纤增强as
- 主营：电缆料、护套料、绝缘耐寒料、低烟无卤聚烯烃电缆料、丁腈电缆料、丁硅电缆料、90度电缆料、PVC电缆料、PVC绝缘料、紫外光辐照交联低烟无卤电缆料、改性塑料、低烟无卤电缆塑料颗粒、耐油低烟无卤电缆料、工业丁硅电缆专用料、丁硅复合物电缆料、丁硅电缆绝缘料、医院用拉管塑料颗粒、哑光弹性体电缆料、哑光电缆料、哑光电线电缆料、哑光pvc电缆料、pvc哑光料、丁晴pvc电缆料、丁腈复合物、NBR丁腈粉末
- 主营：改性再生料:ABS塑料、改性再生料:PP塑料、改性再生料:HIPS塑料、改性再生料:PC塑料、改性再生料:PC/ABS塑料、改性再生料:PA、改性再生料:PPO塑料、改性再生料:PBT塑料、改性再生料:POM塑料、改性再生料:PET塑料、改性再生料:PMMA塑料、改性再生料:PVC塑料、改性再生料:TPE塑料、改性再生料:TPU塑料
- 主营：塑胶原料
- 主营：色母粒造粒机、可降解片材机、PVC造粒机、塑料挤出造粒机、塑料造粒机、电缆料造粒机、塑料片材生产线、密炼造粒机、母粒造粒机、双螺杆造粒机、降解片材生产线、3D拉丝机、淋膜机、流延膜生产线、双阶造粒机
- 主营：POM、TPV、ABS、SEBS改性料、EMA、PA、PBT、TPU、PPS、EEA、沙林、EAA、PA66、PA6、EBA
- 主营：热塑性弹性体、功能助剂、石油树脂、塑料改性、科腾SEBS、耐刮剂、TPU雾面剂、阻燃剂、纯单体树脂、TPU流平剂、除味剂、鞋材止滑剂
- 主营：纸厂颗粒、吨包颗粒、编织袋颗粒、蓝色吨包塑料颗粒、黑色纸厂塑料颗粒、PE复合塑料颗粒、纸厂改性颗粒、PP塑料颗粒、聚丙烯颗粒、聚乙烯颗粒、再生pp颗粒、纸浆颗粒、纯吨包颗粒、注塑颗粒、拉丝颗粒、pppe复合颗粒、再生颗粒、黑色pp吨包颗粒、纸厂颗粒厂家、吨包颗粒厂家、编织袋颗粒厂家、PE材质预埋套筒、40目美费颗粒、聚丙烯吨包颗粒、pe纸厂颗粒
- 主营：PA6、PA66、PBT、PC、POM、PC/ABS、科思创、美国杜邦、日本宝理、日本东丽、日本旭化成