The invention is a special adhesive for reflective material, which is characterized by making A component of polyester polyol, solvent, isocyanate, coupling agent, catalyst and old agent raw material, producing B components by isocyanate, low molecular polyol and solvent, and then mixing A and B components in a certain proportion to obtain the required adhesive . The adhesive of the invention has excellent adhesion and aging resistance, strong adhesive force between the reflective material and base material, and the reflective adhesive film made of wind and rain, without aging and falling off, has no yellow change in one year, and the cost is low, and the use process is simple.
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