How to deal with plastic film greenhouse joints?
Sticking method. Is mainly used for vinyl chloride resin adhesive bonding repair plastic PVC film, polyethylene film of polyurethane adhesive available repair, sometimes small hot hot rolling steel blade available.
Hot tack. Prepare a flat and smooth wood as a plate, screw on the fine iron screens, and fixed on the bench, to prevent damage to the plastic when flipping, with a wooden side edge is made to a smooth plane. Each edge of the two films to be bonded shall be attached to the bar, overlapping each other about 4-5 centimeters. At the same time by the 3-4 operation, the 2 were responsible for the "butt" in the wood on both sides, third people have to sew in the film at a 8-10 cm wide, 1.2-1.5 meters long kraft paper or old newspaper article, cover with electric iron bars along the preheated end, experience with pressure appropriate, slowly to the other end. The electric iron heat, downward pressure, and the speed should be based on two pieces of paper thin film under heated to a certain degree of softening and stick together for the degree, and then the strip, glue a film to the other end of the pull sticks, repeat bonding next section, again, until the film received the required length.
Mud adhesion method. Plastic film in the process of using, such as scraping, wrinkle and other small damage, can cut a piece of plastic, glue water paste can be damaged in mud.
