★Before using the zipper, please use clean water or brush to clean off the dust or bedload attaching on two sides of the zipper, because these adhesive materials will influence gasproof of the zipper and even damage the zipper.
★When zipping the zipper, you must zip the pull head along the rack rail. If you zip it slanting, the rack rails will not in anastomosis with each other, then the gasproof will be reduced, and the zipper may even be damaged.
★Zipping velocity shall be controlled within 10-15m/min. Don't zip it again and again for a long time, in order to avoid the pull head being euthermic which will lead it to be astringent or be damaged.
★If clothes or cloth lock the zipper, you should zip the pull head back a little, and remove the things, then zip it slowing. Be sure to keep in mind that don't pull it rudely, or the zipper will be damaged.
★If the zipper is fixed on the back or the flank of the clothes, you must zip it with other's assistance.
★After using the zipper, you shall use clean water or brush to clean off the dust or bedload attaching on two sides of the zipper, then open the zipper, and clean the inside. Try your best to avoid feculency entering inner rack rail, which will reduce gasproof or damage the zipper.
★After using and cleaning the zipper, you shall smear the beeswax on outer rack rail, and zip it back and forth for several times to ensure that the zipper is lubricative next time. But the beeswax only can be smeared on outer rack rail, if you smear it on inner rack rail, the gasproof will be reduced.
★If airtight zipper you need is more than four meters, we advise you adopt double pull head to avoid superfluous abrasion.