XZJ5313TFCTB (XTF1203) asphalt synchronous chip sealer can realize the synchronous spreading of asphalt and gravel, improve the quality of pavement seal coat; It can be used to spread rubber asphalt, matrix asphalt, modified asphalt and emulsified asphalt; It is applicable to the construction of lower and upper seal coat, wearing course construction for new and old road surface, layer spread method of asphalt pavement, the separate spreading of asphalt and gravel in special case, etc.; It can be used for the interlayer treatment and medium maintenance construction of high-grade highway.