The key to REMA TIP TOP's exclusive Blue Bonding System, Special Blue Cement (flammable) creates a nearly indestructible bond between tire and repair unit. REMA TIP TOP's newest Special Blue Cement (flammable) is free of CFC and aromatic compounds. Specifically designed for the application of REMA TIP TOP Radial, Bias-Ply and Universal, Minicombi & RemaStem repair units. Use for chemical installation of REMA TIP TOP blue bonding layer repair units, Blue Floater Gum and chemical vulcanizing compounds.