Pu foam, also known as Polyurethane foam.This product is widely used in door and window gaps and landmark buildings.We are the first one to create the low expanding foam in China,and we got a patent, patent No. is ZL.2013 2 0030085.9.We also have developed different quality specifications for different application scenarios.For example, the multifunctional FA series for home spare,WD series for wood furniture,suitable for professional engineering GE series,Low-temperature WS series for cold regions,Flame-retardant FR series for tropical areas and about to study successful green environmental protection type.Of course, if you want better quality, we can still customize it for you.As for certificates, all of our products are in conformity with ISO standards. If you need certificates such as CE or REACH that need immediate use, we can also make them before delivery.In addition, we also provide a professional cleaning agent for long-term use of your Adhesive Gun.