Special primer adhesive  is a fast curing and reliable single component primer with good flexibility, UV stability, and weather resistance. Low requirements for wall roughness, good extrusion fluidity, and convenient construction. Suitable for durable bonding and sealing between airtight membrane materials and various substrates such as concrete, steel, wood, aluminum, etc. Universal for indoor and outdoor use. The construction temperature should be above 5 ℃. After the gluing construction, it is advisable to solidify statically for at least 24 hours before proceeding to the next process.