Description
A PU barrel gun (or polyurethane barrel/susage gun) is a heavy-duty manual applicator tool designed to dispense polyurethane sealants, adhesives, or expanding foams packaged in foil sausages or cylindrical cartridges.
Construction: Features a durable metal or aluminum barrel/cylinder that houses 300ml to 600ml sealant sausages or cartridges.
Mechanism: Uses a smooth trigger-actuated push-rod system to apply consistent, high-precision pressure for uniform bead extrusion.
Application: Widely used in construction, automotive sealing, and waterproofing joints where bulk or sausage-style PU sealants are preferred over standard small cartridges.
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