SR2520New is a two-component neutral silicone weatherproof sealant. The base and hardener are in a mass ratio of 93:3. After being evenly mixed by professional mixing equipment, use a two-component special glue gun to squeeze the product into the required joints and solidify to form a stable elastomer. The product has low modulus, high displacement ability, excellent weather resistance and durability, and is suitable for waterproof sealing of various curtain wall projects.