STAR-SEAL PRO BLEND® is a professional grade, Refined Tar emulsion (water based) sealcoating for jobs that demand outstanding performance. STAR-SEAL PRO BLEND® has an extraordinary degree of toughness and water repellency, unmatched by any competitive sealer. The “Hot Blending” of catalyzed rubber and select polymers with the Refined Tar in STAR-SEAL PRO-BLEND® greatly improves its durability and overall longevity. Superior water repellency is achieved with the use of specialty chemicals that enhance the water resistance of the cured coating. STAR-SEAL PRO BLEND® has outstanding resistance to gasoline, oil, chemicals and de-icing salts. The combination of state-of-the-art technology in manufacturing and raw material selection.