Hw-7 is a heat-resistant aging, environmental protection, non-cationic, non-amine, two performances antistripping agent. Solve the antistripping agent prevalent poor heat aging and environmental pollution problems, improving the aging resistance of asphalt, waterproof and antistripping of asphalt. The two performances peculiarity of the product can effectively solve antistripping agent and stone and asphalt compatibility problems, it's a new generation of antistripping agent.