Factors Affecting the Adhesion of Road Marking Paint

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The adhesion of road marking paint is related to the stable use of markings, traffic safety and maintenance costs, mainly affected by four core factors:

1. Paint formula: It is necessary to match suitable resins and additives. Asphalt pavements focus on penetration, while cement pavements strengthen interface bonding force. Improper formula easily leads to shedding.

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2. Pavement conditions: The pavement must be clean, dry and reasonably rough before construction. Smooth pavements need to be polished in advance to avoid impurities affecting bonding force.

3. Construction details: Control the coating thickness and construction temperature, adapt to the paint type, avoid missing or empty coating, and ensure uniform curing.

4. Environment and maintenance: Resist erosion such as heavy rain and high temperature, and heavy vehicle rolling, follow the maintenance period, and avoid early traffic opening.

In summary, only by considering formula adaptation, pavement treatment, standardized construction and later maintenance can adhesion be guaranteed and the service life of markings be extended.