Strapping seals / binding buckles are mainly designed for hand mechanic or pneumatic strapping devices. Steel buckles (stamped sheet metal) used for firm and non-demountable strap connection the strap connection can be made by buckle compression or nip according to the kind of a strap Wire buckles use with polyester cord straps (PES) if need be polypropylene straps (PP) high strength self-locking (strap tightening can be made manually without tightener) joint made by means of wire buckles offers possibility of follow-up joint tightening or multiple use of binding two designs are delivered according to surface treatment: - zinc-coated (silver) - standard design, provide longer protection against corrosion (there is suffix -s in the name) - phosphated (grey) - buckles with a progressive anti-slip surface treatment increasing strength in joint up to 15% (there is suffix -g in the name) special buckle CARGO CONTROL is mainly set for repeating binding of very heavy cargos Plastic buckles use with polypropylene straps (PP) suitable for cases where is no possibility to use a steel or wire buckle (e.g. on behalf of recycling) self-locking (strap tightening can be made manually without tightener) joint made by means of these buckles offers possibility of follow-up joint tightening or multiple use of binding safe for an operator (no sharp edges) carefre More information Less Information