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Jingtong concrete metal expansion joint for road bridge construction Bridge expansion joints is settled to satisfy the needs of bridge surface deformation under compression. It is usually installed in middle of bridge ends, bridge ends and abutment, bridge joints points. It has the functions of: -can expansion and contraction freely and secure. -comfortable driving, no noice. -waterproofing, can prevent rubbish and soil into the joints. 
Type & Application: -GQF-C, GQF-Z, GQF-L,GQF-L,GQF-E,GQF-F suitable for movements less than 80mm of bridge joints -GQF-MZL suitable for movements of 80mm---1200mm large and middle span bridges. 
Matched Rubber Waterstop belt: neoprene waterstop belt-suitable for expansion joint under temperature of -25 degree to +60 degree. natural waterstop belt-suitable for expansion joints under temperature of -40 degree to +60 degree. 
Packaging & Shipping 
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