Overview
Polyurethane foam spray is a two-component system that rapidly expands into foam upon application, forming an effective thermal and air barrier. It consists of polyol resin and isocyanate that react when mixed, creating a polymer foam with excellent insulation properties. The material is classified as either open-cell (softer, more flexible) or closed-cell (denser, higher R-value). Its ability to conform to irregular surfaces makes it ideal for sealing gaps in construction projects, from residential attics to industrial cold storage facilities.
Physical and Chemical Properties
When cured, polyurethane foam demonstrates low thermal conductivity (typically 0.020-0.030 W/m·K), with closed-cell varieties providing superior insulation. The material exhibits strong adhesion to most construction substrates including wood, metal, and concrete. Chemically, it is resistant to water absorption (especially closed-cell types) and demonstrates moderate resistance to solvents and oils. The foam is thermosetting, meaning it won't melt when heated but may degrade at temperatures above 200°C. Additives can enhance properties like fire resistance (achieving Class 1 fire ratings) or UV stability for exterior applications.
Main Applications
In construction, spray polyurethane foam serves as wall cavity insulation, roofing underlayment, and perimeter sealing for energy-efficient buildings. Industrial applications include insulation for refrigeration units, pipelines, and storage tanks where thermal efficiency is critical. The material is also used for sound dampening in automotive and aerospace applications, as well as for flotation in marine applications. Recent developments include low-GWP (global warming potential) formulations to meet environmental regulations in various markets.
Safety and Storage
Unreacted components contain hazardous substances including isocyanates, which require proper ventilation and personal protective equipment during application. Installers should use supplied-air respirators and chemical-resistant clothing. Storage requires keeping components at stable temperatures (typically between 15-25°C) and preventing moisture contamination. Drums should remain sealed until use, with particular care to avoid water exposure for isocyanate components which can react violently with moisture.
B2B Procurement Guide
When sourcing polyurethane foam spray, specify required characteristics: insulation value (R-value), fire performance rating, and whether open-cell or closed-cell foam is needed. Volume buyers should request technical data sheets verifying ASTM test results for key properties. Consider supplier certifications like ISO 9001 and UL listings. For large projects, evaluate applicator qualifications—many manufacturers maintain lists of certified installers. Bulk purchasing (55-gallon drums or larger) typically offers 15-30% cost savings versus retail packaging.
Related Manufacturers
- 主营：无机纤维喷涂、聚氨酯冷库外墙管道发泡、矿物棉喷涂施工、无机玻璃纤维喷涂施工、无机纤维喷涂施工
- 主营：轻集料混凝土、轻质混凝土、泡沫混凝土
- 主营：聚氨酯发泡机、高压聚氨酯喷涂机、聚氨酯喷涂设备、保温发泡聚氨酯设备、聚氨酯灌注机、聚脲喷涂机、高压聚脲喷涂机、防水聚脲喷涂设备、液压聚脲喷涂设备、聚氨酯浇注机、聚氨酯喷涂机
- 主营：保温板、轻集料、钢结构、发泡剂、聚氨酯、聚脲喷涂、发泡水泥、隔热喷涂、xps挤塑、混凝土、隔热板、隔热漆、防水材料、泡沫塑料、屋顶隔热、防水补漏、隔热保温、防水保温、聚脲防腐、屋面防水、防腐除锈、防水堵漏、防水涂料、泡沫保温、防腐涂料
- 主营：装饰线条、玻璃纤维针刺毡、eps装饰线条、纤维喷涂、聚氨酯喷涂、无机纤维喷涂、聚氨酯保温喷涂、聚氨酯喷涂施工、吸音无机喷涂棉、聚氨酯发泡喷涂、超细无机纤维喷涂、超细矿物无机纤维喷涂、硬泡聚氨酯喷涂、eps线条、岩棉线条、聚苯线条、外墙保温无机纤维、泡沫线条、EPS造型线条、欧式线条、eps外墙装饰线条、别墅装饰腰线造型、欧式装饰线条
- 主营：玻璃鳞片胶泥、环氧玻璃鳞片胶泥、高温玻璃鳞片胶泥、聚氨酯保温喷涂、b1级聚氨酯喷涂、双组份聚脲喷涂、轻集料混凝土A型
- 主营：岩棉板、玻璃棉卷毡、离心玻璃棉、聚氨酯喷涂、岩棉复合板、铁皮保温、罐体保温、防火包裹、橡塑板、橡塑管
- 主营：无机纤维喷涂、聚氨酯喷涂、聚氨酯黑白料、聚氨酯板、无机纤维喷涂施工、聚氨酯瓦壳、聚氨酯管托、聚氨酯喷涂施工、冷库聚氨酯喷涂、外墙聚氨酯喷涂、屋面彩钢聚氨酯喷涂、地下无机纤维喷涂、车库无机纤维喷涂、储存间无机纤维喷涂、聚氨酯管壳、聚氨酯保温喷涂、KTV无机纤维喷涂、酒吧无机纤维喷涂、无机矿物纤维喷涂棉、电梯井超细纤维棉喷涂、无机纤维喷涂棉厂家、电影院无机纤维喷涂、无机纤维棉、管托、A级防火超细无机纤维
- 主营：压土机、小挖机、叉装机、发泡机、拖拉机、装载机、压实机、挖掘机、压地机、堆垛车、叉装车、压路机、电动叉车、伸缩臂叉装、四轮升降叉车、装卸搬运堆高车
- 主营：导电银浆树脂、巴斯夫TPU、科思创TPU、亨斯迈TPU、路博润TPU、peek薄膜、peek网布、高温尼龙、高温pc、油墨树脂、PPSU
- 主营：玻璃钢、pps1140l7、lcp6300bk、聚氨酯、pps6165d8、6130bklcp、pps0309p4、v-0阻燃、泰科纳、ppsa360mb、pps6165a4、ppsa533x01、16105bk010、ppsa390m65、1601塑胶、ppsa604x97、ppsa604x95、pom300asbk、pa46荷兰、pom107nc010、6130l-bk010、pps4665b6bk、pom150nc010、ppsa756mx02、增强塑料、韧性标准
- 主营：压花地坪、透水冷拌沥青、透水地坪、彩色喷涂防滑路面、胶粘石、沥青改色、露骨料、水泥路面修补材料、透水砖增强剂、pc砖增强剂、彩色防滑路面、路面改色、夜光石路面、水洗石路面、EPDM塑胶跑道、彩色混凝土、水泥路面修补料、彩色路面、透水混凝土、透水混凝土增强剂、透水混凝土罩面漆、压模地坪、压印地坪、透水路面、沥青改色漆、水泥路面高强修补料
- 主营：云铁中间漆、无溶剂环氧防腐涂料、氯化橡胶防腐涂料、乙烯基酯树脂、丙烯酸聚氨酯涂料、环氧玻璃鳞片防腐涂料、钢结构防腐漆、环氧砂浆、环氧富锌漆、高氯化聚乙烯防腐漆、8710饮用水管道防、环氧玻璃鳞片涂料、环氧树脂防腐涂料、氯化橡胶防腐面漆、玻璃鳞片漆、三布五涂玻璃钢防腐、水池防腐涂料、玻璃鳞片涂料、钢结构工业防腐漆、工业防腐漆、环氧防腐漆、无溶剂环氧防腐漆、无溶剂环氧液体涂料、无溶剂环氧树脂漆
- 主营：岩棉板、岩棉管、橡塑板、聚氨酯板、聚氨酯管、聚氨酯管壳、聚氨酯瓦壳、聚氨酯管托、橡塑管
- 主营：工程塑料