The effect of bis-(2-dimethylaminoethyl) ether in outdoor billboard weatherproofing treatment Catalog Introduction Weathering Problems of Outdoor Billboards Overview of bis-(2-dimethylaminoethyl) ether Application of bis-(2-dimethylaminoethyl) ether in weathering treatment Product parameters and performance Practical application case analysis Conclusion 1. Introduction As an important part of the city landscape, outdoor billboards not only carry the function of...