Clipper Ship EM-50 Tack Coat - 5 Gal. Pails Seaboard Asphalt EM-50 is an anionic emulsion that is used for various purposes. These purposed include as a primer, damp proofing, or as a tack coat. EM-50 is manufactured to meet the specifications outlined in AASHTO M208, as well as any state specific requirements. Storage and Limitations: Optimal storage for EM-50 is in a heated tank equipped with an agitator at a temperature below 160°F. Do not allow EM-50 to freeze. Avoid extreme overheating of EM-50. Avoid using high shear pumps, especially when the emulsion is at ambient temperature. Application and Coverage: Depending on the surface being covered, EM-50 can be applied with a brush, squeegee, or spray equipment and provides coverage of 150 square feet per gallon. The maximum temperature allowable for application for EM-50 is 175°F. Composition and Safety: For complete safety information please review the Safety Data Sheet for this product. Product Data Sheet Safety Data Sheet