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Materials Used to Make Poly Bags

From: KatCheung Bags
      Read: 3174     Last Updated: 2011-3-11

Low Density Polyethylene (LDPE)

Polyethylene is the most commonly used plastic in the world. Low Density Polyethylene is the material used in most poly bags mainly because it provides great strength, clarity and flexibility.

High Density Polyethylene (HDPE)

High Density or HD bags are made out of a thin and light substance, which helps to lower cost of the bags as well as the freight. High Density bags are not as clear as Low Density poly bags however they are very strong, tear-resistant, and stiff. These bags are both strong and economical.

Cellophane:

Cellophane offers excellent film clarity for display. The cellophane film works as a barrier to preserve aromas and keeps food fresh. Cellophane also enhances appearance of products. Cellophane however is not recommended for use in extreme temperatures.

Polypropylene:

Polypropylene has the highest clarity available. This is an excellent material to protect against moisture and vapors. It is suitable for food, crafts, photos, cards, and scented products. Polypropylene is the preferred option for display.

Bag Dimensions


Flat Bags

Flat Poly Bags
W: Width
L: Length
Gauge: The gauge indicates the thickness of the bag. For more information check the conversion chart below

Gusseted Bags

Gusseted Poly Bags
W: Width
D: Depth (gusset x 2)
L: Length
Gauge: The gauge indicates the thickness of the bag. For more information check the conversion chart below


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