Within the types segment, SBR binders are classified by chemical modification and structural reinforcement, each influencing market valuation differently. Standard SBR remains the baseline product, capturing the largest portion of revenue due to its established supply chain and adequate performance for most lithium‑ion cells. Modified SBR, functionalized with polar groups such as carboxyl or hydroxyl, contributes approximately 30 % of the segment, offering enhanced adhesion and electrolyte compatibility for high‑rate sodium‑ion applications. Crosslinked SBR provides superior mechanical integrity under thermal stress, supporting solid‑state battery architectures and accounting for roughly 15 % of sales. Finally, nano‑reinforced SBR incorporates nanofillers (e.g., silica, graphene) to improve conductivity and durability, a niche that currently holds about 5 % of the market but is projected to expand as solid‑state technologies mature. These type distinctions collectively shape the SBR Binder for Negative Electrode market taxonomy.