Manufacturer part NO. HD-PE-02 Material: PE (HDPE) Specifications: Gang WIRE: Galvanized For rust resistance. DIAMETER: 0.3mm, 0.45mm WIDTH 3.7mm This Gang twist tie is made by long-life easy bending galvanized wire to seal and secure many styles of bags.
With the downward movement of the piston, the volume above the piston in the cylinder increases gradually: the air pressure in the cylinder is lower than that in the inlet pipe, so the air outside is constantly filled into the cylinder.