The Magic of Tertiary Amine Polyurethane Catalyst BL-17 in PU Sealants When it comes to the world of polyurethane (PU) sealants, achieving the perfect cure time can feel like striking a delicate balance on a tightrope. Enter our unsung hero: the tertiary amine polyurethane catalyst BL-17. This remarkable compound plays a pivotal role in accelerating...