Single component, easy to use, with good extrudability and thixotropy; can be directly used in construction by using a glue gun to extrude; neutral curing, suitable for most of the building materials without adverse reactions or corrosion; exnt weatherability performance; service life of more than 30 years under normal climate conditions; exnt performance to resist high and low temperature; performance changes little in the range of -40 â ~ 150 â; exnt adhesiveness, no need for base coating, to form a strong bonding with most of the building materials.