Frequently Asked Questions

What is low density Polyethylene?
Polyethylene (PE) is the material used over half of all films today, and low density polyethylene (LDPE) is the source of most poly bags. All of out stock bags are manufactured with LDPE for its great tensile strength, clarity, flexibility, and water barrier properties. It is also resistant to most caustic compounds.

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What are layflat dimensions?
For each layflat bag, there are three dimensions. The first measurement is the width across the opening of the bag. The length runs from the bag opening to the base of the bag. Gauge, the third figure in a bag's dimensions, is a measure of its thickness expressed in mils.
What are gusseted dimensions?
The width measures across the opening of the bag. The depth is the fully extended gusset. The length runs from the opening to the bottom, and the final dimension is the gauge (thickness).
How do you choose the right mil thickness?
  • Lightweight 1 or 1.25 mil bags are perfect for economical packaging and coverage of light weight products.
  • 1.5 and 2 mil bags are the most commonly used thicknesses for storing, shipping, or displaying everyday items.
  • Heavy duty 3 mil and extra-heavy 4 mil bags are capable of protecting and supporting heavy and abrasive items.
  • 6 mil bags are our toughest bags, offering total protection for heaviest products.

How do you inspect bag gauge?
When inspecting a bag keep in mind the polyethylene is a flexible material, and gauge can only be measured accurately with a poly micrometer. Machine micrometers, pinch and flatten bags or film. As gauge will vary across the width of any bag, ask your sales person for the appropriate weight of each case to be sure your bags are within tolerances

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What are markable bags?
Parts bags, and bags with white block for marking, and ideal for organizing and displaying products. Three mil bags can handle even the toughest parts.

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