【Product Introduction】

PB-I road and bridge polymer modified asphalt waterproof coating is the cold construction waterproof coating that adopts petroleum asphalt as the base material, uses SBR as the modifier and adds a variety of auxiliary materials. It has the characteristics of good waterproof performance, good low temperature flexibility, high elongation, strong adhesion, and convenient construction.

【Scope of application】

● It can be used for waterproof, seepage-proof, anti-corrosion, wall waterproof and moisture-proof for roofing, underground, tunnels, caves and other projects.

【Product Advantages】

● 1. The product is non-toxic, tasteless, non-polluting, cold construction;

2. The rubber in the modified asphalt forms a continuous network and penetrates and cross-links each other, so that the modified one presents polymer properties;

3. After the coating film is dried, the rubber remains elastic and flexible at low temperature;

4. Strong shear resistance, can withstand the long-term load of the bridge deck and the requirements of compression, can prevent water seepage caused by structural damage, and delay the service life of highway bridges.

【Construction technology】

● Clean the base layer - treatment of key parts - the first waterproof layer - the second waterproof layer - the third waterproof layer - waterproof layer maintenance - paving asphalt concrete

【Precautions】

● ⊙ The surface of the base should be compacted and smooth, and when the cement mortar screed layer is used, it must be fully maintained, and there shall be no crisping, sanding, and peeling, and it should meet the design requirements.

⊙ in order to improve the shear strength between the pavement layer of waterproof layer and asphalt concrete and the concrete panel, the concrete panel needs to carry out brushing treatment, so as to improve the interlocking force and friction resistance of waterproof layer and asphalt concrete pavement layer and concrete section, so that the bridge deck does not appear wrinkled, cracks for a long time after vehicle driving.

⊙ The bridge deck must be cleaned and free of debris and dust, so as not to affect the bond strength.

⊙ After the crash wall is removed, the debris of the mold and steel wire at the junction of the crash wall and the concrete bridge should be completely removed.

⊙ The moisture content of the bridge deck should not be greater than 10%. Polymer modified asphalt waterproofing coating (PB) for roads and bridges is a polymer modified asphalt waterproofing coating prepared by modifying asphalt with multiple rubber compounds