The type dimension of the Soy Polyol market is primarily divided into low molecular weight (LMW) and high molecular weight (HMW) polyols. LMW soy polyols, characterized by shorter polymer chains and lower viscosity, are favored in applications requiring rapid reaction kinetics, such as flexible polyurethane foams and certain adhesives. Their lower cost and ease of handling have enabled them to capture roughly 55 % of the overall market value. In contrast, HMW soy polyols possess longer polymer chains, higher functionality, and greater thermal stability, making them suitable for rigid foam systems, coatings, and high‑performance elastomers. Despite a higher production expense, HMW polyols account for about 45 % of market revenue due to their critical role in premium‑grade products. This bifurcation of type directly shapes the supply chain, pricing dynamics, and R&D focus within the Soy Polyol market, illustrating how molecular architecture drives segmental contribution to total market size.