Overview
Foam plastic is a cellular-structured plastic material containing pockets of gas, making it lightweight with excellent insulation properties. It is produced by incorporating gas bubbles into a polymer matrix through various foaming processes. The material's versatility stems from its adjustable density and cell structure, allowing customization for different applications. Common base polymers include polystyrene (PS), polyurethane (PUR), and polyethylene (PE), each offering distinct characteristics.
Physical and Chemical Properties
Foam plastics exhibit low thermal conductivity (0.03-0.04 W/mK), making them effective insulators. Their compressive strength ranges from 50-500 kPa, depending on density. The closed-cell varieties offer better moisture resistance than open-cell foams. Chemically, most foam plastics are inert to water and many chemicals, though some solvents can dissolve specific types. They are generally stable up to their respective softening points, beyond which they may deform or release gases.
Main Applications
In packaging, foam plastics protect fragile items during shipping due to their excellent shock absorption. The construction industry utilizes them for thermal insulation in walls, roofs, and flooring systems. Other significant uses include disposable food containers, flotation devices, and automotive components. Specialized applications include acoustic insulation and medical packaging where sterility is crucial.
Safety and Storage
While generally safe, foam plastics should be stored away from open flames as most types are flammable. Proper ventilation is recommended when cutting or sanding to avoid dust inhalation. Storage should be in dry conditions below 40°C to prevent deformation. Some types may emit volatile organic compounds (VOCs) when new, requiring adequate ventilation in confined spaces.
B2B Procurement Guide
Key specifications to consider include density (kg/m³), cell structure (open/closed), and fire rating. For insulation applications, thermal conductivity (lambda value) is critical. Bulk purchasing typically offers cost advantages, but storage space requirements must be considered due to the material's low density. Quality certifications like ISO 9001 and fire safety standards (e.g., UL 94) should be verified with suppliers.
Related Manufacturers
- 主营：氦气、液氦、六氟化硫、氩气、氮气、氢氮混合气、液氮、液氩、二氧化碳、氦氮混合气、管束氦气
- 主营：甘油、食品级甘油、工业级甘油、固化剂制泡沫塑料涂料、脂肪酸、月桂酸、肉豆蔻酸、硬脂酸、油酸、棕榈酸、脂肪醇、十六醇、十八醇、8醇、10醇、8/10醇、12醇、1618醇、22醇、22酸、芥酸、山嵛酸、油酸甲酯、棕榈酸甲酯、月桂酸甲酯
- 主营：匀染剂、乳化剂、渗透剂、聚氨酯泡沫塑料、消泡剂、净洗剂、平平加、聚乙二醇、吐温、司盘、农药乳化剂、异构十醇聚醚、无规聚醚、脂肪醇聚氧乙烯醚、石蜡乳化剂、乳百灵、丙二醇嵌段聚醚、聚醚多元醇、聚丙二醇、耐碱渗透剂、蓖麻油磷酸酯、抗静电剂、三乙醇胺油酸皂、甘油三油酸酯、季戊四醇油酸酯、分散剂
- 主营：保温板、轻集料、钢结构、泡沫塑料、泡沫保温、xps挤塑、混凝土、隔热板、隔热漆、发泡剂、聚氨酯、防水材料、屋顶隔热、防水补漏、隔热保温、聚脲喷涂、防水保温、聚脲防腐、屋面防水、防腐除锈、防水堵漏、发泡水泥、隔热喷涂、防水涂料、防腐涂料
- 主营：氦气、液氦、六氟化硫、液氮、食品氮气、氩气、液氩
- 主营：阻燃剂、阻燃增塑剂
- 主营：保温板、聚苯板、一体板、泡沫塑料板、乙烯泡沫板、石墨板、防火eps板、建筑材料、建筑外墙、隔热建材、环保建材、隔热材料、聚鑫模塑、建筑保温、外墙保温、聚苯乙烯、热固性复合、保温岩棉板、隔热岩棉板、保温挤塑板、复合棉岩板、保温装饰板、细颗粒石墨、防潮岩棉板、a级防火保温
- 主营：玻璃棉板、玻璃棉、玻璃棉卷毡、聚氨酯泡沫塑料、硅酸铝卷毡、柔性防火卷材、岩棉板、岩棉复合板、橡塑板、橡塑管、硅酸铝管、硅酸铝板、装饰一体板、岩棉管、玻璃棉管、聚氨酯板、硅酸盐管、防火岩棉、岩棉保温板、彩色橡塑管、B1级橡塑保温板、外墙装饰一体板、硅酸铝针刺毯、陶瓷纤维针刺毯、硅酸铝柔性防火包裹、B1级橡塑板
- 主营：矿物棉、无机纤维喷涂、矿物纤维喷涂、硬质聚氨酯泡沫喷涂、全水聚氨酯、聚氨酯硬泡喷涂、玻璃纤维喷涂、硬质矿物纤维、隔声涂料、吸音隔声喷涂、硬泡聚氨酯、环氧地坪、自流平、金刚砂地面、超细无机纤维、吸音降噪喷涂、吸音隔声防火喷涂、吸音隔声涂料、吸音降噪涂料、保温工程、隔音工程、硬泡聚氨酯喷涂、矿物纤维涂层、机房隔音防火喷涂、超细无机纤维喷涂、建筑纤维涂料
- 主营：分析仪、气候箱、加湿器、硬质泡沫塑料拉伸测试、测定仪、磨平机、液限仪、点荷仪、定硫仪、土工布、引伸仪、测试仪、试验箱、网格布、测斜仪、波纹管、触探仪、检测仪、白度仪、试验机、搅拌机、收缩皿、厚度仪、回弹仪、抗渗仪、测试箱
- 主营：海绵条、防风套、高弹海绵、防护海绵、减震海绵、软包海绵、阻燃海绵、防震海绵、防静电泡棉、氯丁胶海绵、防滑耐磨海绵、模压过滤海绵、密封绝缘海棉、减震复合海绵、缓冲海绵垫圈、汽车密封垫片、隔热保温泡棉管、单双面复合海绵
- 主营：润湿剂、聚乙二醇、电镀增溶剂、分散防回染剂、聚丙二醇 PPG、脂肪酸酯、磷酸酯、匀染剂、甘油三油酸酯、辛基酚聚氧乙烯醚、乳化剂、聚醚、消泡剂、农药乳化剂、分散剂、添加剂AC、乳化剂司盘、抗静电剂、纺织前处理助剂、柔软剂、净洗剂、脂肪醇聚氧乙烯醚
- 主营：杜仲素、对位酯、丙烯酸酯、二氧化硫脲、乙基麦芽酚、饲料添加剂、油酸基硬脂酸、二苯基硅二醇
- 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：元明粉、丙酸钙、玻璃粉、泊洛沙姆聚氨酯塑料、冰醋酸、液压油、浮选油、草酸铵、生石灰、硅酸钠、单宁酸、胶泥粉、降阻剂、冰晶石、二萘酚、促进剂、熟石灰、三甘醇、大豆蜡、泡花碱、铵明矾、石英砂、丙二醇、edta四钠、edta二钠、维生素b1