Causes and solutions for brittleness or cracking of thermal insulation glue

note: this article was written by shanghai weigu chemical products co., ltd. copying without permission is strictly prohibited! the thermal insulation glue of broken bridge aluminum profiles becomes brittle or cracked, mainly due to the following reasons: 1. cause1:actual measurementb glue /a glue is higher than the theoretical range, that is, the isocyanate component is…