1. PRODUCT OVERVIEW VHR joints made by VinhHung Investment and Production Co., Ltd (Vinh Hung IP) is the steel strip-seal joint comprising of two steel rails with anchor bars connected to embedded bars in the pier cap of the headwall of the abutment, elastomeric strip serves as the trough for drainage and debris, nosing materials: non-shrinkage mortar or concrete with minimum compressive strength of 40MPa. There are 2 main types of VHR expansion joints identified by the cross-section of the steel rails: VHR-C steel rail expansion joint and VHR-F steel rail expansion joint. 2.PRODUCT CHARACTERISTICS Totally accommodate to longitudinal movement up to 100mm, and also vertical and transverse movement if appear. Simple in design and installation, high load bearing and durability. The joints are designed suitably for curb and median structures. Totally water-tight. To ensure the long-lasting durability, VHF-steel strip expansion joints are protected from corrosion with methods like: coat with 2-component epoxy painting, PU-based paint (Polyurethane).., zinc-coating according to ASTM A123â?¦, and especially Al-Mg coating (Al 5% and Mg 95% ratio) which ensures the durability of 100 years. This method is proved by the brine spraying test in 6000 hours (dry-wet 8-hour cycles) according to ASTM B117 standards