Introducing our revolutionary product - Bt-301 Polycarboxylate Superplasticizer Slump Retention Type with 40% Solid Content! As a factory specializing in construction additives, we take pride in providing top-quality solutions for your projects. This superplasticizer offers enhanced slump retention properties, ensuring optimal workability and improved concrete performance. With a solid content of 40%, it guarantees exceptional strength and durability. Trust our factory-produced Bt-301 to elevate your construction endeavors and experience high-quality results that withstand the test of time!