... Polyurethane foam sealant has a good performance in anti-freezing, anti-moisture, noise-resistance ,heat-insulation and etc Haozheng PU foam ... anti-freezing , anti-moisture, noise-resistant and heat-insulation. Item NoHZfpj003Can size65mm*300mmHPackage750ml*12pcs/ctnCanton Size290*210*360mm20ft ... proof and block leakage, mend the hole of water pipe, air duct, and etc.lPacking and transportation, Pack ...