SR plastic filler treatment in dam joints, caulking sealant standard first of the two different types of sealing materials distinguishes and presents different technical requirements. The filling them in and keep the seam sealing play a role in filling them position called caulking sealing strip; will be under the water pressure, flow into the joints by filling them with water stop position to play a role called SR flexible packing . CFRD sealing surface is used after a sealing material (SR flexible packing). Caulking sealant sealing material standard gives two technical indicators (see table below grid). SR flexible filler for concrete face rockfill dam of the past, compare the value of domestic tensile strength, elongation and other indicators. After applied research project showed that water, alkali salts, anti-freeze-thaw cycles, high and low temperature performance, reliability and concrete bonding, impermeability to fight wear performance, liquidity sealing performance, construction filling them with performance is an important technical indicators . In meeting these targets, the tensile strength and elongation requirements can be relaxed construction methods: SR flexible packing filling them. Filling them with packing extruder and artificial filling them two options. A filler extruder filling them: Waveform Sealing After installation, the filling of the extruder die is fixed on the outer surface of the concrete, and within 50 cm range brushing primer on the concrete surface, the primer is my company Acer Hengshui Rubber Co., Ltd. to provide professional support products, then the power is turned extruder SR filler filler filling them with flexible construction. During operation of the extruder filler, the need to constantly shift the outer mold and brushing detackifier at every change of the outer mold. Because the mold filling out the extruder die in the concrete surface of the road and sliding, and called for concrete surface is very smooth (the difference in the length direction of the ups and downs in the range of 5 to 2 m or less). Second, artificial filling them: according to SR flexible packing filling them determine the shape of a cross-sectional design, the SR flexible packing board cut to the appropriate shape; be pasted parts after surface treatment, brushing primer, primer must be made by Acer Hengshui Rubber Co. companies until the beginning of the end of glue-paste to thicken SR filler plate (torn SR filler plate side release paper, along the length of the filler plate SR progressive paste from one end to the other end of the board, noting discharge SR flexible packing board Paste between surface and air); edges with a rubber hammer percussion SR flexible filler plates to dense, forming a joint portion sloping transition, in order to facilitate a second layer of paste, paste after SR flexible packing pressure to filling them with quality assurance. Flexible packing is designed for concrete panel, rockfill dam peripheral joints and sealing joints and development and production of new sealing material throughout the material, it is a special kind of rubber as raw material, has a unique, high plasticity, heat resistance, cold resistance, resistance to aging, but also a simple, non-toxic, odorless, good water resistance, adhesion properties and other characteristics. The most important feature of a flexible filler is excellent deformability and fluidity in the water under pressure can flow, squeeze seam sealing role played excellent impermeability, capable of porosity sealing closed the gap to play the role. Flexible filler also has good bonding properties, and concrete bonding strength greater than the tensile strength of the material itself, ensures that damage does not occur in a variety of conditions bonding interface. At the same time, the flexible filler also has excellent chemical resistance, namely water, alkali salt soak, the environment has a strong applicability, resistance to freeze-thaw cycles, and have some cold resistance and temperature resistance. GB flexible filler may need to be processed into a variety of shapes and sections according to the size of the profile, to facilitate construction. For several years, I produced a flexible filler, has on more than a dozen water conservancy, power engineering and industry, civil engineering applications, have achieved good impermeable sealing effect.