Heat seal equipment will vary depending upon the industry served, and it will vary depending upon just what item or items need to be sealed. These factors will determine whether the sealer is going to be affixed to a tabletop or whether it is to be foot operated, or a dozen other variables. It will also determine just how much heat resistance will be required.

Typically, the items to be sealed will be foods, pharmaceuticals, or chemicals. In all cases, they will be substances that are temperature-sensitive in some way. The concern here isn\’t simply with rotting or other degradation. Some substances are potentially explosive as well. In any package, the seal is one of the potential weak points. It is this which makes sealing its own, independent part of the packaging process.

There are I-Bar and L-Bar heat seal equipment, both used primarily for shrink film packaging. Many use silicone rubber, in which case the problem is adhering rubber to rubber. Others use metal, and here the problem is a more highly reactive process of adhering metal to metal. Inevitably, there is also the problem of rubber to metal sealing. Each is performed to different standards.

Depending upon the application for the heat seal equipment, it might be necessary not only to control temperature but produce a vacuum, in which case the seal will need to be airtight. Where this is the case, the issue is likely to be either keeping the contents uncontaminated, but, in other cases, preventing contact with oxygen. Again, some substances are flammable or explosive. Silicone rubber is especially effective for these applications, as they\’re heat resistant at up to six hundred degrees.

A double impulse sealer is a fine choice for heavy-duty, industrial applications so long as they are not more than twenty-four inches wide and twenty mil thick. Fortunately, they are also easy to use, and the machine doesn\’t need to be automatic. A foot-operated machine will suffice for any job, and working it is extremely simple even though it will be necessary to use a timer.

Most machines assume larger-scale jobs and are either stand-alone or at least table-mounted, but many are portable. Portable types come in all the usual varieties, from clam shell sealers to ultrasonic. Hand sealers are perhaps the most basic type, and are useful for poly bags as well as any sort of thermoplastic substance.

When there is so much work to do that bags are run along a conveyor belt, and one is essentially operating a factory, there\’s nothing faster than continuous band sealing. These use metal strips which, fortunately, require little warming. Speed typically runs up to four hundred and seventy-two inches per minute. They can be set to mount the bags vertically or horizontally – whichever is most efficient, or suits the substance to be packaged.

On top of this, there is a wide range of peripheral equipment, from the conveyor belts to work tables. Nearly every machine comes with, or without, a cutter attached. It goes without saying that the bags themselves are part of heat sealing equipment.

Author Bio: A Canadian company that manufactures air duct equipment. They also have a wide selection of insulation blowing machines used for air duct cleaning and maintenance.

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