Whether we buy costume jewelry or buy a heat shrink machine, it is the first choice to buy right things.L bar sealer is matched with
shrink machine to complete package,and most important indexes in the purchase of the L type sealing machine is sealing line length, then according to the size of the products is used to calculate the length of L bar sealer?
Take the rectangular products for the size of the L30*W25*H15cm as an example, theoretically sealing line size for 25+15cm is 40cm wide it is enough,but in the actual operation of sealing line should be at least more than 5CM to the margin to facilitate mouth placed. Sealing line length similarly length direction need to seal 55cm. So we can calculate L bar sealer model is needed for the FQL550 semi automatic L bar sealer.