Low relaxation post tension cables is mainly used for concrete structure, such as railway and highway. overhead crane construction, multi-floor industrial building and etc.
Raw material is SWRH 82b , coil weight 2-3.5 tons ,8-9 coils/20ft container.
Unbonded PC Strand is suitable for cast-in placeconcrete of long span and wide buildings, large load prefabricated beam and other construction . have the characters of don't need room for future expasion and grout-in ,convenient use ,material saved ,bended easy.