Trusted source for durable and reliable paints. BMA PU Sealer is a two-component solvent-based- high solid polyurethane sealer- formulated with excellent filling properties and high ability to withstand harmful environmental conditions and any destructive mechanical impact. Due to its excellent sanding and sealing properties- BMA-SPU102 is suitable to be used over a wide range of wooden substrates and could endure dimensional variation of the wood due to moisture ingress.