Frequently Asked Questions

What materials can I seal with my Accu-Sealer?

• Polyethylene, Polypropylene, Nylon, Tyvek, Craft Paper with foil lining, Craft Paper with plastic lining.

What materials can't I seal with my Accu-Sealer?

• Materials that cannot be sealed are Denim, Vinyl, Cellophane, and Fiberglass.

How does an impulse heat sealer work?

• Impulse heat is the use of a heat spike governed by time "heat time" followed by a cool down period "cool time" during which the jaws remain closed. This cool down period allows the molten plastic in the seal area to cool and reset under pressure providing consistent maximum seal properties.

Why should I vacuum seal my product?

• To prevent moisture contamination, extend shelf life, or minimize storage space.

Why should I use Nitrogen purge?

• To remove more moisture and oxygen from the bag, decreasing product exposure to these damaging vapors.

Why is a "clean, dry air supply" necessary?

• It is necessary to maintain the warranty and protect the function of the pneumatic systems within the sealer. Air that is not clean and dry can contaminate and damage vital parts of the machine.

What is a barrier bag?

• A barrier bag is one which contains non-permeable materials such nylon or metal foil.

Why can't Polyethylene or Polypropylene bags hold vacuum for long term storage?

• These materials are both porous, and allow oxygen and moisture to slowly re-enter the bag.

Do all Accu-Sealers require an external air supply?

• No. Our models 540, carries an internal compressor! Also our models 20, 15, and 70, are manual sealers. Further, if you do not have a compressor it is possible to purchase one through Accu-Seal.

Do you calibrate machines?

• We can arrange for the initial calibration of models: 730, 630, 530/540, 635.

How would I know the appropriate heat and cool times to set my Accu-Sealer for the best quality seals?

• To help ensure the best quality seals, Accu-Seal requests that you send sample material so that we can provide the settings for you.