Best Sealing Width For Heat Sealers

Heat Sealers / Bag SealersHeat sealers are great machines to have on hand. They can be used to package and seal most plastic bags. While heat sealers vary in sealing length, they also vary in sealing width. So which sealing width is best for packaging your products?

As should probably come as no surprise, the thicker the sealing width, the more durable the seal. I have found that as the sealing length goes up, the sealing width increases to compensate for the added pressure from the larger contents of the bag. This isn’t, however, always the case.

If you have found a heat sealer of equal length, but of varying sealing widths, there are a few things you will want to take into consideration.

If you are sealing liquids, powders or other fluidic products, you may want to use a wider sealing width. This is because liquids, powders and other pliable products can quickly produce added pressure in a single area during shipping and transport. More pressure could create a rupture if the sealing width is too small.

If you are packaging solid products, food, parts and other materials, you may be fine with a thinner sealing width. Remember, the smaller the sealing width the less film and bag you will end up using. Sealers with smaller sealing widths also typically cost less money.

If in doubt, a thicker sealing width will certainly not hurt anything and will provide you with added protection.

Common sealing widths include:

  1. 2mm (most common)
  2. 5mm
  3. 10mm
  4. 15mm (typically the largest)

A few additional features you may find in a heat sealer includes a magnetic lockdown (for convenience) and a built-in cutter for slicing off excess plastic.

You can find our entire selection of heat sealers here. Feel free to call us at 1-800-658-8788 with any heat sealer related questions.

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